<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Title</title>
<script src="../js/jquery-3.5.1.js"></script>
<script>
//检测操作
//$.isEmptyObject() 检测变量是否为空对象
$(function () {
var a = {};
var b = {
name:"Jerry",
age:3,
hobby:"running"
};
document.writeln($.isEmptyObject(a)); // true
document.writeln($.isEmptyObject(b)); // false
});
</script>
</head>
<body>
</body>
</html>jQuery练习t309，从0到1
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转载自blog.csdn.net/modern358/article/details/113809974
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