原生javascript用面向对象的方式仿query实现链式调用。

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我是靠谱客的博主爱笑咖啡豆，这篇文章主要介绍原生javascript用面向对象的方式仿query实现链式调用。，现在分享给大家，希望可以做个参考。

原生javascript用面向对象的当时仿query实现链式调用。

这里写图片描述

复制代码

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>Document</title>
    <link href="animate.css" rel="stylesheet">
    <style>
        div{height:200px;width:400px;}
    </style>
</head>
<body>
    <div class="animated">
        <p><span>111</span></p>
        <span>222</span>
        <div><span>3333</span></div>
    </div>
</body>
<script>
    function $(selector){
        this.element = document.querySelector(selector);
    }
    $.prototype = {
        //css()
        css: function(obj){
            for(var i in obj){
                this.element.style[i] = obj[i]; 
            }
            return this;
        },
        // find()
        find: function(selector) {
            return document.querySelectorAll(selector);
        }
    }
    console.log(new $('div').css({'backgroundColor': 'red', 'fontSize': '36px', 'color': 'yellow'}).find('span'));
</script>
</html>

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<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>Document</title>
    <link href="animate.css" rel="stylesheet">
    <style>
        div{height:200px;width:400px;}
    </style>
</head>
<body>
    <div class="animated">
        <p><span>111</span></p>
        <span>222</span>
        <div><span>3333</span></div>
    </div>
</body>
<script>
    function $(selector){
        this.element = document.querySelector(selector);
    }
    $.prototype = {
        //css()
        css: function(obj){
            for(var i in obj){
                this.element.style[i] = obj[i]; 
            }
            return this;
        },
        // find()
        find: function(selector) {
            return document.querySelectorAll(selector);
        }
    }
    console.log(new $('div').css({'backgroundColor': 'red', 'fontSize': '36px', 'color': 'yellow'}).find('span'));
</script>
</html>