<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1, user-scalable=no">
<meta name="renderer" content="webkit">
<title>demo</title>
<script src="js/jquery-1.11.3.min.js"></script>
<style>
* {margin: 0; padding: 0;}
</style>
</head>
<body>
<div class="div1"></div>
<div class="div2"></div>
<script>
;$(function() {
$('.div1').data({
a: 'a1',
b: 'b1'
});
$('.div2').data({
a: 'a2',
b: 'b2'
});
var obj1 = $('.div1').data();
var obj2 = $('.div2').data();
console.log('before:'+ JSON.stringify($('.div1').data()) + JSON.stringify($('.div2').data()));
changeData(obj1, obj2);
console.log('after:'+ JSON.stringify($('.div1').data()) + JSON.stringify($('.div2').data()));
function changeData(obj1, obj2) {
var obj = JSON.stringify(obj2);
$.each(obj1, function(key, value) {
obj2[key] = value;
});
$.each(JSON.parse(obj), function(key, value) {
obj1[key] = value;
});
}
/*//或者(不过两者是有区别的,这里是值传递,而changeData(obj1, obj2)是引用传递)
var obj1 = {
a: 'a3',
b: 'b3'
};
var obj2 = {
a: 'a4',
b: 'b4'
};
obj2=[obj1,obj1=obj2][0];
console.log(obj1);
console.log(obj2);*/
});
</script>
</body>
</html>