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deepClone #1

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40e5b97
deepClone
ogion13 Jul 28, 2015
8c515a0
done
ogion13 Jul 28, 2015
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61 changes: 61 additions & 0 deletions deepClone.html
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Original file line number Diff line number Diff line change
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Document</title>
</head>
<body>
<script type="text/javascript">
// Написать функцию deepClone, которая рекурсивно копирует объект по свойствам, если встречает свойство-вложенныйОбъект или массив -> входим в рекурсию
function deepClone (obj) {
if(!obj instanceof Object){//if not object return value
return obj;
}
if(Array.isArray(obj)){
var newObj = [];

for(var i = 0, length = obj.length; i < length; i++){

if(obj[k] instanceof Object && typeof(obj[k])==="object"){// using typeof because function is instance of Object
newObj[i] = deepClone(obj[i]);

}
else{
newObj[i] = obj[i];
}
}
}
else{
var newObj = {};
for(var k in obj){
if(!obj.hasOwnProperty(k)){
continue;
}
if(obj[k] instanceof Object && typeof(obj[k])==="object"){
newObj[k] = deepClone(obj[k]);

}
else{
newObj[k] = obj[k];
}
}
}


return newObj;
}

var obj = {
el22:null,
el33:function(){},
el1:"gsga",
el2:[3,4],
el3:{el:25,ell2:{ell4:5}}
}
var newObj = deepClone(obj);
console.log(newObj);

</script>

</body>
</html>