From 596301d37a011dd73fe08412aedd5bf9c8057953 Mon Sep 17 00:00:00 2001 From: Ali Haider Date: Wed, 23 Sep 2020 22:50:00 +0100 Subject: [PATCH 1/5] 1- practice exercises completed. --- .../mandatory/1-practice/2-code-reading.md | 7 + week-3/Homework/mandatory/1-practice/app.js | 52 ++ .../Homework/mandatory/1-practice/index.html | 27 + .../Homework/mandatory/1-practice/skycon.js | 708 ++++++++++++++++++ .../Homework/mandatory/1-practice/style.css | 37 + 5 files changed, 831 insertions(+) create mode 100644 week-3/Homework/mandatory/1-practice/app.js create mode 100644 week-3/Homework/mandatory/1-practice/index.html create mode 100644 week-3/Homework/mandatory/1-practice/skycon.js create mode 100644 week-3/Homework/mandatory/1-practice/style.css diff --git a/week-3/Homework/mandatory/1-practice/2-code-reading.md b/week-3/Homework/mandatory/1-practice/2-code-reading.md index 295964e..e67cd51 100644 --- a/week-3/Homework/mandatory/1-practice/2-code-reading.md +++ b/week-3/Homework/mandatory/1-practice/2-code-reading.md @@ -15,6 +15,9 @@ Take a look at the following code: Explain why line 4 and line 6 output different numbers. +The line 4 and line 6 displays different output because the line 4 is inside the block scope and get the value from line 3 . The line 6 display the value which it get from line 1 which is global variable. and the value of x at line 3 is not accessible at line 6 because of its block scope. + + ## Question 2 Take a look at the following code: @@ -33,6 +36,8 @@ console.log(y) ``` What will be the output of this code. Explain your answer in 50 words or less. +The output will be 10 from line 34 and undefined from line 35. The reason of undefined output of y at line 35 is because y is defined inside the block scope at line 31 and not accessible outside the block scope. + ## Question 3 @@ -61,3 +66,5 @@ console.log(y); ``` What will be the output of this code. Explain your answer in 50 words or less. +As the x is assigned as the constant variable so its value cannot be changed after the function run and will display the value 9. +As the y is constant but it is assigned to an object thats why with in the object the value of x is changed by using function f2 and will display { x: 10 } . \ No newline at end of file diff --git a/week-3/Homework/mandatory/1-practice/app.js b/week-3/Homework/mandatory/1-practice/app.js new file mode 100644 index 0000000..99d8eb5 --- /dev/null +++ b/week-3/Homework/mandatory/1-practice/app.js @@ -0,0 +1,52 @@ +let temperatureDescription = document.querySelector(".temperature-description"); +let temperatureDegree = document.querySelector(".temperature-degree"); +let locationTimezone = document.querySelector(".location-timezone"); +let temperatureSection = document.querySelector(".temperature"); +const temperatureSpan = document.querySelector(".temperature span"); + +if (navigator.geolocation) { + navigator.geolocation.getCurrentPosition(position => { + long = position.coords.longitude; + lat = position.coords.latitude; + + const proxy = "https://cors-anywhere.herokuapp.com/"; + const api = `${proxy}https://api.darksky.net/forecast/fd9d9c6418c23d94745b836767721ad1/${lat},${long}`; + + fetch(api) + .then(response => { + return response.json(); + }) + .then(data => { + const { temperature, summary, icon } = data.currently; + // set DOM elements from the API + temperatureDegree.textContent = temperature; + temperatureDescription.textContent = summary; + locationTimezone.textContent = data.timezone; + // formula for celcius + let celsius = (temperature - 32) * (5 / 9); + // set icon + setIcons(icon, document.querySelector(".icon")); + + // change temp C/F + temperatureSection.addEventListener("click", () => { + if (temperatureSpan.textContent === "F") { + temperatureSpan.textContent = "C"; + temperatureDegree.textContent = Math.floor(celsius); + } else { + temperatureSpan.textContent = "F"; + temperatureDegree.textContent = temperature; + } + }) + }); + }); + + +} +function setIcons(icon, iconID) { + const skycons = new Skycons({ color: "white" }); + const currentIcon = icon.replace(/-/g, "_").toUpperCase(); + skycons.play(); + return skycons.set(iconID, skycons[currentIcon]); +} + + diff --git a/week-3/Homework/mandatory/1-practice/index.html b/week-3/Homework/mandatory/1-practice/index.html new file mode 100644 index 0000000..70ba5d4 --- /dev/null +++ b/week-3/Homework/mandatory/1-practice/index.html @@ -0,0 +1,27 @@ + + + + + + + Weather + + + + +
+

TimeZone

+ +
+
+
+

34

+ F +
+
Its friggnin cold
+
+ + + + + \ No newline at end of file diff --git a/week-3/Homework/mandatory/1-practice/skycon.js b/week-3/Homework/mandatory/1-practice/skycon.js new file mode 100644 index 0000000..b70f194 --- /dev/null +++ b/week-3/Homework/mandatory/1-practice/skycon.js @@ -0,0 +1,708 @@ +(function (global) { + "use strict"; + + /* Set up a RequestAnimationFrame shim so we can animate efficiently FOR + * GREAT JUSTICE. */ + var requestInterval, cancelInterval; + + (function () { + var raf = global.requestAnimationFrame || + global.webkitRequestAnimationFrame || + global.mozRequestAnimationFrame || + global.oRequestAnimationFrame || + global.msRequestAnimationFrame, + caf = global.cancelAnimationFrame || + global.webkitCancelAnimationFrame || + global.mozCancelAnimationFrame || + global.oCancelAnimationFrame || + global.msCancelAnimationFrame; + + if (raf && caf) { + requestInterval = function (fn) { + var handle = { value: null }; + + function loop() { + handle.value = raf(loop); + fn(); + } + + loop(); + return handle; + }; + + cancelInterval = function (handle) { + caf(handle.value); + }; + } + + else { + requestInterval = setInterval; + cancelInterval = clearInterval; + } + }()); + + /* Catmull-rom spline stuffs. */ + /* + function upsample(n, spline) { + var polyline = [], + len = spline.length, + bx = spline[0], + by = spline[1], + cx = spline[2], + cy = spline[3], + dx = spline[4], + dy = spline[5], + i, j, ax, ay, px, qx, rx, sx, py, qy, ry, sy, t; + for(i = 6; i !== spline.length; i += 2) { + ax = bx; + bx = cx; + cx = dx; + dx = spline[i ]; + px = -0.5 * ax + 1.5 * bx - 1.5 * cx + 0.5 * dx; + qx = ax - 2.5 * bx + 2.0 * cx - 0.5 * dx; + rx = -0.5 * ax + 0.5 * cx ; + sx = bx ; + ay = by; + by = cy; + cy = dy; + dy = spline[i + 1]; + py = -0.5 * ay + 1.5 * by - 1.5 * cy + 0.5 * dy; + qy = ay - 2.5 * by + 2.0 * cy - 0.5 * dy; + ry = -0.5 * ay + 0.5 * cy ; + sy = by ; + for(j = 0; j !== n; ++j) { + t = j / n; + polyline.push( + ((px * t + qx) * t + rx) * t + sx, + ((py * t + qy) * t + ry) * t + sy + ); + } + } + polyline.push( + px + qx + rx + sx, + py + qy + ry + sy + ); + return polyline; + } + function downsample(n, polyline) { + var len = 0, + i, dx, dy; + for(i = 2; i !== polyline.length; i += 2) { + dx = polyline[i ] - polyline[i - 2]; + dy = polyline[i + 1] - polyline[i - 1]; + len += Math.sqrt(dx * dx + dy * dy); + } + len /= n; + var small = [], + target = len, + min = 0, + max, t; + small.push(polyline[0], polyline[1]); + for(i = 2; i !== polyline.length; i += 2) { + dx = polyline[i ] - polyline[i - 2]; + dy = polyline[i + 1] - polyline[i - 1]; + max = min + Math.sqrt(dx * dx + dy * dy); + if(max > target) { + t = (target - min) / (max - min); + small.push( + polyline[i - 2] + dx * t, + polyline[i - 1] + dy * t + ); + target += len; + } + min = max; + } + small.push(polyline[polyline.length - 2], polyline[polyline.length - 1]); + return small; + } + */ + + /* Define skycon things. */ + /* FIXME: I'm *really really* sorry that this code is so gross. Really, I am. + * I'll try to clean it up eventually! Promise! */ + var KEYFRAME = 500, + STROKE = 0.08, + TAU = 2.0 * Math.PI, + TWO_OVER_SQRT_2 = 2.0 / Math.sqrt(2); + + function circle(ctx, x, y, r) { + ctx.beginPath(); + ctx.arc(x, y, r, 0, TAU, false); + ctx.fill(); + } + + function line(ctx, ax, ay, bx, by) { + ctx.beginPath(); + ctx.moveTo(ax, ay); + ctx.lineTo(bx, by); + ctx.stroke(); + } + + function puff(ctx, t, cx, cy, rx, ry, rmin, rmax) { + var c = Math.cos(t * TAU), + s = Math.sin(t * TAU); + + rmax -= rmin; + + circle( + ctx, + cx - s * rx, + cy + c * ry + rmax * 0.5, + rmin + (1 - c * 0.5) * rmax + ); + } + + function puffs(ctx, t, cx, cy, rx, ry, rmin, rmax) { + var i; + + for (i = 5; i--;) + puff(ctx, t + i / 5, cx, cy, rx, ry, rmin, rmax); + } + + function cloud(ctx, t, cx, cy, cw, s, color) { + t /= 30000; + + var a = cw * 0.21, + b = cw * 0.12, + c = cw * 0.24, + d = cw * 0.28; + + ctx.fillStyle = color; + puffs(ctx, t, cx, cy, a, b, c, d); + + ctx.globalCompositeOperation = 'destination-out'; + puffs(ctx, t, cx, cy, a, b, c - s, d - s); + ctx.globalCompositeOperation = 'source-over'; + } + + function sun(ctx, t, cx, cy, cw, s, color) { + t /= 120000; + + var a = cw * 0.25 - s * 0.5, + b = cw * 0.32 + s * 0.5, + c = cw * 0.50 - s * 0.5, + i, p, cos, sin; + + ctx.strokeStyle = color; + ctx.lineWidth = s; + ctx.lineCap = "round"; + ctx.lineJoin = "round"; + + ctx.beginPath(); + ctx.arc(cx, cy, a, 0, TAU, false); + ctx.stroke(); + + for (i = 8; i--;) { + p = (t + i / 8) * TAU; + cos = Math.cos(p); + sin = Math.sin(p); + line(ctx, cx + cos * b, cy + sin * b, cx + cos * c, cy + sin * c); + } + } + + function moon(ctx, t, cx, cy, cw, s, color) { + t /= 15000; + + var a = cw * 0.29 - s * 0.5, + b = cw * 0.05, + c = Math.cos(t * TAU), + p = c * TAU / -16; + + ctx.strokeStyle = color; + ctx.lineWidth = s; + ctx.lineCap = "round"; + ctx.lineJoin = "round"; + + cx += c * b; + + ctx.beginPath(); + ctx.arc(cx, cy, a, p + TAU / 8, p + TAU * 7 / 8, false); + ctx.arc(cx + Math.cos(p) * a * TWO_OVER_SQRT_2, cy + Math.sin(p) * a * TWO_OVER_SQRT_2, a, p + TAU * 5 / 8, p + TAU * 3 / 8, true); + ctx.closePath(); + ctx.stroke(); + } + + function rain(ctx, t, cx, cy, cw, s, color) { + t /= 1350; + + var a = cw * 0.16, + b = TAU * 11 / 12, + c = TAU * 7 / 12, + i, p, x, y; + + ctx.fillStyle = color; + + for (i = 4; i--;) { + p = (t + i / 4) % 1; + x = cx + ((i - 1.5) / 1.5) * (i === 1 || i === 2 ? -1 : 1) * a; + y = cy + p * p * cw; + ctx.beginPath(); + ctx.moveTo(x, y - s * 1.5); + ctx.arc(x, y, s * 0.75, b, c, false); + ctx.fill(); + } + } + + function sleet(ctx, t, cx, cy, cw, s, color) { + t /= 750; + + var a = cw * 0.1875, + i, p, x, y; + + ctx.strokeStyle = color; + ctx.lineWidth = s * 0.5; + ctx.lineCap = "round"; + ctx.lineJoin = "round"; + + for (i = 4; i--;) { + p = (t + i / 4) % 1; + x = Math.floor(cx + ((i - 1.5) / 1.5) * (i === 1 || i === 2 ? -1 : 1) * a) + 0.5; + y = cy + p * cw; + line(ctx, x, y - s * 1.5, x, y + s * 1.5); + } + } + + function snow(ctx, t, cx, cy, cw, s, color) { + t /= 3000; + + var a = cw * 0.16, + b = s * 0.75, + u = t * TAU * 0.7, + ux = Math.cos(u) * b, + uy = Math.sin(u) * b, + v = u + TAU / 3, + vx = Math.cos(v) * b, + vy = Math.sin(v) * b, + w = u + TAU * 2 / 3, + wx = Math.cos(w) * b, + wy = Math.sin(w) * b, + i, p, x, y; + + ctx.strokeStyle = color; + ctx.lineWidth = s * 0.5; + ctx.lineCap = "round"; + ctx.lineJoin = "round"; + + for (i = 4; i--;) { + p = (t + i / 4) % 1; + x = cx + Math.sin((p + i / 4) * TAU) * a; + y = cy + p * cw; + + line(ctx, x - ux, y - uy, x + ux, y + uy); + line(ctx, x - vx, y - vy, x + vx, y + vy); + line(ctx, x - wx, y - wy, x + wx, y + wy); + } + } + + function fogbank(ctx, t, cx, cy, cw, s, color) { + t /= 30000; + + var a = cw * 0.21, + b = cw * 0.06, + c = cw * 0.21, + d = cw * 0.28; + + ctx.fillStyle = color; + puffs(ctx, t, cx, cy, a, b, c, d); + + ctx.globalCompositeOperation = 'destination-out'; + puffs(ctx, t, cx, cy, a, b, c - s, d - s); + ctx.globalCompositeOperation = 'source-over'; + } + + /* + var WIND_PATHS = [ + downsample(63, upsample(8, [ + -1.00, -0.28, + -0.75, -0.18, + -0.50, 0.12, + -0.20, 0.12, + -0.04, -0.04, + -0.07, -0.18, + -0.19, -0.18, + -0.23, -0.05, + -0.12, 0.11, + 0.02, 0.16, + 0.20, 0.15, + 0.50, 0.07, + 0.75, 0.18, + 1.00, 0.28 + ])), + downsample(31, upsample(16, [ + -1.00, -0.10, + -0.75, 0.00, + -0.50, 0.10, + -0.25, 0.14, + 0.00, 0.10, + 0.25, 0.00, + 0.50, -0.10, + 0.75, -0.14, + 1.00, -0.10 + ])) + ]; + */ + + var WIND_PATHS = [ + [ + -0.7500, -0.1800, -0.7219, -0.1527, -0.6971, -0.1225, + -0.6739, -0.0910, -0.6516, -0.0588, -0.6298, -0.0262, + -0.6083, 0.0065, -0.5868, 0.0396, -0.5643, 0.0731, + -0.5372, 0.1041, -0.5033, 0.1259, -0.4662, 0.1406, + -0.4275, 0.1493, -0.3881, 0.1530, -0.3487, 0.1526, + -0.3095, 0.1488, -0.2708, 0.1421, -0.2319, 0.1342, + -0.1943, 0.1217, -0.1600, 0.1025, -0.1290, 0.0785, + -0.1012, 0.0509, -0.0764, 0.0206, -0.0547, -0.0120, + -0.0378, -0.0472, -0.0324, -0.0857, -0.0389, -0.1241, + -0.0546, -0.1599, -0.0814, -0.1876, -0.1193, -0.1964, + -0.1582, -0.1935, -0.1931, -0.1769, -0.2157, -0.1453, + -0.2290, -0.1085, -0.2327, -0.0697, -0.2240, -0.0317, + -0.2064, 0.0033, -0.1853, 0.0362, -0.1613, 0.0672, + -0.1350, 0.0961, -0.1051, 0.1213, -0.0706, 0.1397, + -0.0332, 0.1512, 0.0053, 0.1580, 0.0442, 0.1624, + 0.0833, 0.1636, 0.1224, 0.1615, 0.1613, 0.1565, + 0.1999, 0.1500, 0.2378, 0.1402, 0.2749, 0.1279, + 0.3118, 0.1147, 0.3487, 0.1015, 0.3858, 0.0892, + 0.4236, 0.0787, 0.4621, 0.0715, 0.5012, 0.0702, + 0.5398, 0.0766, 0.5768, 0.0890, 0.6123, 0.1055, + 0.6466, 0.1244, 0.6805, 0.1440, 0.7147, 0.1630, + 0.7500, 0.1800 + ], + [ + -0.7500, 0.0000, -0.7033, 0.0195, -0.6569, 0.0399, + -0.6104, 0.0600, -0.5634, 0.0789, -0.5155, 0.0954, + -0.4667, 0.1089, -0.4174, 0.1206, -0.3676, 0.1299, + -0.3174, 0.1365, -0.2669, 0.1398, -0.2162, 0.1391, + -0.1658, 0.1347, -0.1157, 0.1271, -0.0661, 0.1169, + -0.0170, 0.1046, 0.0316, 0.0903, 0.0791, 0.0728, + 0.1259, 0.0534, 0.1723, 0.0331, 0.2188, 0.0129, + 0.2656, -0.0064, 0.3122, -0.0263, 0.3586, -0.0466, + 0.4052, -0.0665, 0.4525, -0.0847, 0.5007, -0.1002, + 0.5497, -0.1130, 0.5991, -0.1240, 0.6491, -0.1325, + 0.6994, -0.1380, 0.7500, -0.1400 + ] + ], + WIND_OFFSETS = [ + { start: 0.36, end: 0.11 }, + { start: 0.56, end: 0.16 } + ]; + + function leaf(ctx, t, x, y, cw, s, color) { + var a = cw / 8, + b = a / 3, + c = 2 * b, + d = (t % 1) * TAU, + e = Math.cos(d), + f = Math.sin(d); + + ctx.fillStyle = color; + ctx.strokeStyle = color; + ctx.lineWidth = s; + ctx.lineCap = "round"; + ctx.lineJoin = "round"; + + ctx.beginPath(); + ctx.arc(x, y, a, d, d + Math.PI, false); + ctx.arc(x - b * e, y - b * f, c, d + Math.PI, d, false); + ctx.arc(x + c * e, y + c * f, b, d + Math.PI, d, true); + ctx.globalCompositeOperation = 'destination-out'; + ctx.fill(); + ctx.globalCompositeOperation = 'source-over'; + ctx.stroke(); + } + + function swoosh(ctx, t, cx, cy, cw, s, index, total, color) { + t /= 2500; + + var path = WIND_PATHS[index], + a = (t + index - WIND_OFFSETS[index].start) % total, + c = (t + index - WIND_OFFSETS[index].end) % total, + e = (t + index) % total, + b, d, f, i; + + ctx.strokeStyle = color; + ctx.lineWidth = s; + ctx.lineCap = "round"; + ctx.lineJoin = "round"; + + if (a < 1) { + ctx.beginPath(); + + a *= path.length / 2 - 1; + b = Math.floor(a); + a -= b; + b *= 2; + b += 2; + + ctx.moveTo( + cx + (path[b - 2] * (1 - a) + path[b] * a) * cw, + cy + (path[b - 1] * (1 - a) + path[b + 1] * a) * cw + ); + + if (c < 1) { + c *= path.length / 2 - 1; + d = Math.floor(c); + c -= d; + d *= 2; + d += 2; + + for (i = b; i !== d; i += 2) + ctx.lineTo(cx + path[i] * cw, cy + path[i + 1] * cw); + + ctx.lineTo( + cx + (path[d - 2] * (1 - c) + path[d] * c) * cw, + cy + (path[d - 1] * (1 - c) + path[d + 1] * c) * cw + ); + } + + else + for (i = b; i !== path.length; i += 2) + ctx.lineTo(cx + path[i] * cw, cy + path[i + 1] * cw); + + ctx.stroke(); + } + + else if (c < 1) { + ctx.beginPath(); + + c *= path.length / 2 - 1; + d = Math.floor(c); + c -= d; + d *= 2; + d += 2; + + ctx.moveTo(cx + path[0] * cw, cy + path[1] * cw); + + for (i = 2; i !== d; i += 2) + ctx.lineTo(cx + path[i] * cw, cy + path[i + 1] * cw); + + ctx.lineTo( + cx + (path[d - 2] * (1 - c) + path[d] * c) * cw, + cy + (path[d - 1] * (1 - c) + path[d + 1] * c) * cw + ); + + ctx.stroke(); + } + + if (e < 1) { + e *= path.length / 2 - 1; + f = Math.floor(e); + e -= f; + f *= 2; + f += 2; + + leaf( + ctx, + t, + cx + (path[f - 2] * (1 - e) + path[f] * e) * cw, + cy + (path[f - 1] * (1 - e) + path[f + 1] * e) * cw, + cw, + s, + color + ); + } + } + + var Skycons = function (opts) { + this.list = []; + this.interval = null; + this.color = opts && opts.color ? opts.color : "black"; + this.resizeClear = !!(opts && opts.resizeClear); + }; + + Skycons.CLEAR_DAY = function (ctx, t, color) { + var w = ctx.canvas.width, + h = ctx.canvas.height, + s = Math.min(w, h); + + sun(ctx, t, w * 0.5, h * 0.5, s, s * STROKE, color); + }; + + Skycons.CLEAR_NIGHT = function (ctx, t, color) { + var w = ctx.canvas.width, + h = ctx.canvas.height, + s = Math.min(w, h); + + moon(ctx, t, w * 0.5, h * 0.5, s, s * STROKE, color); + }; + + Skycons.PARTLY_CLOUDY_DAY = function (ctx, t, color) { + var w = ctx.canvas.width, + h = ctx.canvas.height, + s = Math.min(w, h); + + sun(ctx, t, w * 0.625, h * 0.375, s * 0.75, s * STROKE, color); + cloud(ctx, t, w * 0.375, h * 0.625, s * 0.75, s * STROKE, color); + }; + + Skycons.PARTLY_CLOUDY_NIGHT = function (ctx, t, color) { + var w = ctx.canvas.width, + h = ctx.canvas.height, + s = Math.min(w, h); + + moon(ctx, t, w * 0.667, h * 0.375, s * 0.75, s * STROKE, color); + cloud(ctx, t, w * 0.375, h * 0.625, s * 0.75, s * STROKE, color); + }; + + Skycons.CLOUDY = function (ctx, t, color) { + var w = ctx.canvas.width, + h = ctx.canvas.height, + s = Math.min(w, h); + + cloud(ctx, t, w * 0.5, h * 0.5, s, s * STROKE, color); + }; + + Skycons.RAIN = function (ctx, t, color) { + var w = ctx.canvas.width, + h = ctx.canvas.height, + s = Math.min(w, h); + + rain(ctx, t, w * 0.5, h * 0.37, s * 0.9, s * STROKE, color); + cloud(ctx, t, w * 0.5, h * 0.37, s * 0.9, s * STROKE, color); + }; + + Skycons.SLEET = function (ctx, t, color) { + var w = ctx.canvas.width, + h = ctx.canvas.height, + s = Math.min(w, h); + + sleet(ctx, t, w * 0.5, h * 0.37, s * 0.9, s * STROKE, color); + cloud(ctx, t, w * 0.5, h * 0.37, s * 0.9, s * STROKE, color); + }; + + Skycons.SNOW = function (ctx, t, color) { + var w = ctx.canvas.width, + h = ctx.canvas.height, + s = Math.min(w, h); + + snow(ctx, t, w * 0.5, h * 0.37, s * 0.9, s * STROKE, color); + cloud(ctx, t, w * 0.5, h * 0.37, s * 0.9, s * STROKE, color); + }; + + Skycons.WIND = function (ctx, t, color) { + var w = ctx.canvas.width, + h = ctx.canvas.height, + s = Math.min(w, h); + + swoosh(ctx, t, w * 0.5, h * 0.5, s, s * STROKE, 0, 2, color); + swoosh(ctx, t, w * 0.5, h * 0.5, s, s * STROKE, 1, 2, color); + }; + + Skycons.FOG = function (ctx, t, color) { + var w = ctx.canvas.width, + h = ctx.canvas.height, + s = Math.min(w, h), + k = s * STROKE; + + fogbank(ctx, t, w * 0.5, h * 0.32, s * 0.75, k, color); + + t /= 5000; + + var a = Math.cos((t) * TAU) * s * 0.02, + b = Math.cos((t + 0.25) * TAU) * s * 0.02, + c = Math.cos((t + 0.50) * TAU) * s * 0.02, + d = Math.cos((t + 0.75) * TAU) * s * 0.02, + n = h * 0.936, + e = Math.floor(n - k * 0.5) + 0.5, + f = Math.floor(n - k * 2.5) + 0.5; + + ctx.strokeStyle = color; + ctx.lineWidth = k; + ctx.lineCap = "round"; + ctx.lineJoin = "round"; + + line(ctx, a + w * 0.2 + k * 0.5, e, b + w * 0.8 - k * 0.5, e); + line(ctx, c + w * 0.2 + k * 0.5, f, d + w * 0.8 - k * 0.5, f); + }; + + Skycons.prototype = { + _determineDrawingFunction: function (draw) { + if (typeof draw === "string") + draw = Skycons[draw.toUpperCase().replace(/-/g, "_")] || null; + + return draw; + }, + add: function (el, draw) { + var obj; + + if (typeof el === "string") + el = document.getElementById(el); + + // Does nothing if canvas name doesn't exists + if (el === null || el === undefined) + return; + + draw = this._determineDrawingFunction(draw); + + // Does nothing if the draw function isn't actually a function + if (typeof draw !== "function") + return; + + obj = { + element: el, + context: el.getContext("2d"), + drawing: draw + }; + + this.list.push(obj); + this.draw(obj, KEYFRAME); + }, + set: function (el, draw) { + var i; + + if (typeof el === "string") + el = document.getElementById(el); + + for (i = this.list.length; i--;) + if (this.list[i].element === el) { + this.list[i].drawing = this._determineDrawingFunction(draw); + this.draw(this.list[i], KEYFRAME); + return; + } + + this.add(el, draw); + }, + remove: function (el) { + var i; + + if (typeof el === "string") + el = document.getElementById(el); + + for (i = this.list.length; i--;) + if (this.list[i].element === el) { + this.list.splice(i, 1); + return; + } + }, + draw: function (obj, time) { + var canvas = obj.context.canvas; + + if (this.resizeClear) + canvas.width = canvas.width; + + else + obj.context.clearRect(0, 0, canvas.width, canvas.height); + + obj.drawing(obj.context, time, this.color); + }, + play: function () { + var self = this; + + this.pause(); + this.interval = requestInterval(function () { + var now = Date.now(), + i; + + for (i = self.list.length; i--;) + self.draw(self.list[i], now); + }, 1000 / 60); + }, + pause: function () { + if (this.interval) { + cancelInterval(this.interval); + this.interval = null; + } + } + }; + + global.Skycons = Skycons; +}(this)); \ No newline at end of file diff --git a/week-3/Homework/mandatory/1-practice/style.css b/week-3/Homework/mandatory/1-practice/style.css new file mode 100644 index 0000000..3fcb71c --- /dev/null +++ b/week-3/Homework/mandatory/1-practice/style.css @@ -0,0 +1,37 @@ +*{ + margin: 0; + padding: 0; + box-sizing: border-box; +} +body{ + height: 100vh; + display: flex; + justify-content: center; + flex-direction: column; + align-items: center; + background: linear-gradient(rgb(47,150,163),rgb(48,62,143)); + font-family: sans-serif; + color: white; +} +.location,.temperature{ + height: 30vh; + width: 50%; + display: flex; + justify-content: space-around; + align-items: center; +} +.temperature{ + flex-direction: column; +} +.degree-section{ + display: flex; + align-items: center; + cursor: pointer; +} +.degree-section span{ + margin: 10px; + font-size: 30px; +} +.degree-section h2{ + font-size: 40px; +} From f2b255cbd51d0adae51a4fe33bbaf889e2d75867 Mon Sep 17 00:00:00 2001 From: Ali Haider Date: Thu, 24 Sep 2020 22:09:44 +0100 Subject: [PATCH 2/5] exercise-1.js completed --- week-3/Homework/mandatory/2-exercises/exercise-1/exercise-1.js | 2 +- week-3/Homework/mandatory/2-exercises/exercise-1/exercise-1.md | 1 + 2 files changed, 2 insertions(+), 1 deletion(-) diff --git a/week-3/Homework/mandatory/2-exercises/exercise-1/exercise-1.js b/week-3/Homework/mandatory/2-exercises/exercise-1/exercise-1.js index 10b93ba..c83cfc1 100644 --- a/week-3/Homework/mandatory/2-exercises/exercise-1/exercise-1.js +++ b/week-3/Homework/mandatory/2-exercises/exercise-1/exercise-1.js @@ -4,7 +4,7 @@ const personOne = { favouriteFood: 'Spinach' } -function introduceYourself(___________________________) { +function introduceYourself({name,age,favouriteFood}) { console.log (`Hello, my name is ${name}. I am ${age} years old and my favourite food is ${favouriteFood}.`); } diff --git a/week-3/Homework/mandatory/2-exercises/exercise-1/exercise-1.md b/week-3/Homework/mandatory/2-exercises/exercise-1/exercise-1.md index 9c3ac97..c60ae74 100644 --- a/week-3/Homework/mandatory/2-exercises/exercise-1/exercise-1.md +++ b/week-3/Homework/mandatory/2-exercises/exercise-1/exercise-1.md @@ -18,4 +18,5 @@ The program above will print `Batman is Bruce Wayne`. Notice how we use the `{}` # Exercise - What is the syntax to destructure the object `personOne` in exercise-1.js? +let {name,age,favouriteFood} = personOne; - Update the argument of the function `introduceYourself` to use destructuring on the object that gets passed in. From a2be87fe7c19760fcceecc241652c4c353f9a278 Mon Sep 17 00:00:00 2001 From: Ali Haider Date: Thu, 24 Sep 2020 22:16:34 +0100 Subject: [PATCH 3/5] exercise-2.js completed --- .../mandatory/2-exercises/exercise-2/exercise-2.js | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/week-3/Homework/mandatory/2-exercises/exercise-2/exercise-2.js b/week-3/Homework/mandatory/2-exercises/exercise-2/exercise-2.js index 0d3ade0..da89850 100644 --- a/week-3/Homework/mandatory/2-exercises/exercise-2/exercise-2.js +++ b/week-3/Homework/mandatory/2-exercises/exercise-2/exercise-2.js @@ -9,3 +9,15 @@ let hogwarts = [ { firstName: "Minerva", lastName: "McGonagall", house: "Gryffindor", pet: null, occupation: "Teacher" }, { firstName: "Albus", lastName: "Dumbledore", house: "Gryffindor", pet: "Phoenix", occupation: "Teacher" } ] + +hogwarts.forEach(({firstName,lastName,house})=>{ + if(house ==="Gryffindor"){ + console.log(firstName+" "+lastName) + } +}) + +hogwarts.forEach(({ firstName, lastName, pet,occupation }) => { + if (occupation === "Teacher" && pet !== null) { + console.log(firstName + " " + lastName) + } +}) \ No newline at end of file From a82fd23764254738dd727900571c44f252afc36d Mon Sep 17 00:00:00 2001 From: Ali Haider Date: Thu, 24 Sep 2020 22:41:54 +0100 Subject: [PATCH 4/5] exercise-3.js completed --- .../mandatory/2-exercises/exercise-3/exercise-3.js | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) diff --git a/week-3/Homework/mandatory/2-exercises/exercise-3/exercise-3.js b/week-3/Homework/mandatory/2-exercises/exercise-3/exercise-3.js index b60d527..7a79ab3 100644 --- a/week-3/Homework/mandatory/2-exercises/exercise-3/exercise-3.js +++ b/week-3/Homework/mandatory/2-exercises/exercise-3/exercise-3.js @@ -6,4 +6,10 @@ { itemName: "Hot Coffee", quantity: 2, unitPrice: 1.00}, { itemName: "Hash Brown", quantity: 4, unitPrice: 0.40} ] - \ No newline at end of file + var totalPrice=0; + console.log("QTY ITEM TOTAL"); + order.forEach(({itemName,quantity,unitPrice})=>{ + totalPrice += (quantity*unitPrice); + console.log(quantity+" "+itemName+" "+(unitPrice*quantity).toFixed(2)); + }) + console.log("Total: "+totalPrice); \ No newline at end of file From 67ef9950ad616a7fff0049a915291c9f32c22229 Mon Sep 17 00:00:00 2001 From: Ali Haider Date: Thu, 24 Sep 2020 23:07:08 +0100 Subject: [PATCH 5/5] update --- week-3/Homework/mandatory/3-project/task.md | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/week-3/Homework/mandatory/3-project/task.md b/week-3/Homework/mandatory/3-project/task.md index c5ec214..9b1a473 100644 --- a/week-3/Homework/mandatory/3-project/task.md +++ b/week-3/Homework/mandatory/3-project/task.md @@ -7,3 +7,7 @@ You should complete as much of the project as you can. ## Project Details All of the details for this project can be found [here](https://syllabus.codeyourfuture.io/js-core-3/tv-show-dom-project/readme) + +completed till level 400 +https://github.com/AliHaider-1/tv-show-dom-project +https://cyf-alihaider-1-cyf.netlify.app/ \ No newline at end of file