<!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
//$.isPlainObject() 检测变量是否为原始对象
$(function () {
var person = {
name : "tom",
age: 5,
hobby : "running"
};
document.writeln($.isPlainObject(person)); // true
document.writeln("<br>");
function Box(width, height) {
this.width = width;
this.height = height;
}
var box = new Box(100,100);
document.writeln($.isPlainObject(box)); // false
document.writeln("<br>");
document.writeln($.isFunction(Box)); //true
class Fox
{
constructor(width,height)
{
this._width = width;
this._height = height;
}
}
var fox1 = new Fox(100,100);
document.writeln("<br>");
document.writeln($.isPlainObject(fox1)); //false
});
</script>
</head>
<body>
</body>
</html>jQuery练习t310，从0到1
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转载自blog.csdn.net/modern358/article/details/113809981
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