<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>jQuery深拷贝</title>
</head>
<body>
<script src="https://cdn.bootcss.com/jquery/3.2.1/jquery.js"></script>
<script>
$(function () {
var myAction = {};
$.extend(myAction, {
initPage: function (pointA, pointB) {
var myTest = {
a: 'a',
b: 'b'
};
var myTest2 = jQuery.extend({}, myTest);
myTest2.b = 'b2';
console.log(myTest.b === 'b2'); //false
var myArr = [1, 2];
var myArr2 = jQuery.extend([], myArr);
myArr2[1] = 3;
console.log(myArr[1] === 3); //false
var myArrObj = [{a: 1}, {a: 2}];
var myArrObj2 = jQuery.extend([], myArrObj);
myArrObj2[1].a = 3;
console.log(myArrObj[1].a === 3); //true 注意：未能实现深拷贝
var myArrObj = [{a: 1}, {a: 2}];
var myArrObj2 = jQuery.extend(true, [], myArrObj);
myArrObj2[1].a = 3;
console.log(myArrObj[1].a === 3); //false
}
});
var init = function () {
myAction.initPage();
}();
});
</script>
<script>
</script>
</body>
</html>