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  • VUE -->html

    <!DOCTYPE html>
    <html lang="en">
    <head>
    <meta charset="UTF-8">
    <title>Title</title>
    <script src="vue.js"></script>
    <style>
    .a{
    100px;
    height:100px;
    background:red;
    }
    .b{
    100px;
    height:100px;
    background:yellow;
    }
    </style>
    </head>
    <body>
    <div id="dd">
    <!--v-bind:class='cla':通过vue给div绑定一个class属性,
    属性值是vue对象的data中cla对应的值-->
    <div v-bind:style="sty">{{con}}</div>
    <input type="button" @click="fn" value="兄弟请点我">
    </div>
    </body>
    <script>
    var vm = new Vue({
    el:'#dd',
    data:{
    con:123,
    cla:'a'
    },
    methods:{
    fn:function () {
    this.cla='b'
    }
    }
    })
    </script>
    </html>






    <!DOCTYPE html>
    <html lang="en">
    <head>
    <meta charset="UTF-8">
    <title>Title</title>
    <script src="vue.js"></script>
    </head>
    <body>
    <div id="dd">
    <!--将值绑定进入data-->
    <!--data中所有数据的格式都是 名:值 的形式-->
    <!--v-model='a' 给这个数据取名为'a'-->
    <input type='text' v-model="a">
    <!--给按钮绑定点击事件-->
    <!--'v-on:click'='fn':当这个按钮被点击的时候执行方法fn-->
    <!--fn方法具体长什么样,在vue对象的methods中规定-->
    <input type="button" value="提交" v-on:click="fn">
    <ul>
    <!--遍历vue对象中arr里面的数据-->
    <!--con代表arr中的每一个值,有一个值就创建一个li,并且把此时的值放入li中-->
    <li v-for="con in arr">{{con}}</li>
    </ul>
    </div>
    </body>
    <script>
    //声明一个vue对象
    var vm = new Vue({
    //接管区域,冒号前不变后边跟着id名
    el:'#dd',
    //接管区域内用到的数据
    data:{
    arr:[]
    },
    //通过vue绑定的方法
    methods:{
    fn:function () {
    //把a的值添加进arr中
    //alert(this.a)
    this.arr.push(this.a)
    //将a的值赋值为空字符串(清空)
    this.a=''
    }
    }

    })
    </script>
    </html>


    <!--模板语法补充-->

    <!DOCTYPE html>
    <html lang="en">
    <head>
    <meta charset="UTF-8">
    <title>Title</title>
    <script src="vue.js"></script>
    </head>
    <body>
    <div id="div1">
    <div>{{con}}</div>
    //获取的值
    <div v-text="con"></div>
    <!--字符串拼接-->
    <div v-html="con"></div>
    </div>

    </body>
    <script>
    //div.innerHTML='hello world'
    //声明一个vue对象,在里面进行vue的操作
    var div1=new Vue({
    //vue对象的接管区域
    el:'#div1',
    //操作的数据
    data:{
    //con:'<h1>hello world</h1>>'
    //con:'<h1>100</h1>'
    con:'100'+5
    }
    })
    //模板语法
    //data里面的数据,根据键名到页面上对号入座

    </script>
    </html>


    <!DOCTYPE html>
    <html lang="en">
    <head>
    <meta charset="UTF-8">
    <title>Title</title>
    <script src="vue.js"></script>
    </head>
    <body>
    <div class="dd">{{con}}</div>
    <div class="dd">{{con}}</div>
    </body>
    <script>
    //标签尽管用相同的类名,vue也只认第一个
    var dd=new Vue({
    el:'.dd',
    data:{
    con:'123'
    }
    })
    </script>
    </html>

    <!--模板语法-->



    <!DOCTYPE html>
    <html lang="en">
    <head>
    <meta charset="UTF-8">
    <title>Title</title>
    <script src="vue.js"></script>
    </head>
    <body>
    <div id="dd">
    <input type="button" v-on:click="fn" value="弹框输出123">
    <input type="button" v-on:click="fn1" value="弹框输出345">
    </div>
    </body>
    <script>
    var dd=new Vue({
    el:'#dd',
    methods:{
    fn:function () {
    alert(123)
    },
    fn1:function () {
    alert(345)
    }
    }
    })
    </script>
    </html>


    <!DOCTYPE html>
    <html lang="en">
    <head>
    <meta charset="UTF-8">
    <title>Title</title>
    <script src="vue.js"></script>
    </head>
    <body>
    <!--<ul id="uu">-->
    <!--<li>{{con1}}</li>-->
    <!--<li>{{con2}}</li>-->
    <!--<li>{{con3}}</li>-->
    <!--<li>{{con4}}</li>-->
    <!--</ul>-->
    <ul id="uu">
    <li v-for="con in arr">{{con}}</li>
    </ul>
    </body>
    <script>
    var uu=new Vue({
    el:'#uu',
    data:{
    arr:[111,222,333,444]
    // con1:'111',
    // con2:'day2',
    // con3:'333',
    // con4:'444'
    }
    })
    </script>
    </html>

    <!--渲染-->




    <!DOCTYPE html>
    <html lang="en">
    <head>
    <meta charset="UTF-8">
    <title>Title</title>
    <style>
    .c1{
    background:red;
    }
    .c2{
    background:yellow;
    }
    .c3{
    background:green;
    }
    </style>
    </head>
    <body>
    <table border="1" cellspacing="0">
    <tr class="c1">
    <td>1.1</td>
    <td>1.2</td>
    <td>1.3</td>
    </tr>

    <tr class="c2">
    <td>2.1</td>
    <td>2.2</td>
    <td>2.3</td>
    </tr>

    <tr class="c3">
    <td>3.1</td>
    <td>3.2</td>
    <td>3.3</td>
    </tr>
    </table>
    </body>
    </html>





    <!DOCTYPE html>
    <html lang="en">
    <head>
    <meta charset="UTF-8">
    <title>Title</title>
    <style>
    .c1{
    background:red;
    1000px;
    height:50px;
    }
    .c2{
    background:yellow;
    1000px;
    height:50px;
    }
    .c3{
    background:black;
    1000px;
    height:50px;
    }
    span{
    background:green;
    1000px;
    height:1000px;
    }
    </style>
    </head>
    <body>
    <ul>
    <li class="c1">1</li>
    <li class="c1">2</li>
    <li class="c2">3</li>
    <li class="c2">4</li>
    <li class="c3">5</li>
    </ul>
    <span>
    1810a
    </span>
    </body>
    </html>


    <!DOCTYPE html>
    <html lang="en">
    <head>
    <meta charset="UTF-8">
    <title>Title</title>
    <script src="vue.js"></script>
    </head>
    <body>
    <div id="dd">
    <input type="button" value="提交" @click="fn">
    <span>反转前:</span>{{str1}}<br>
    <span>反转后:</span>{{str2}}
    </div>
    </body>
    <script>
    var vm=new Vue({
    el:'#dd',
    data:{
    str1:'python是最好的语言'
    },
    computed:{
    str2:function () {
    return this.str1.split('').reverse().join('')
    }
    }
    })
    </script>
    </html>




    <!DOCTYPE html>
    <html lang="en">
    <head>
    <meta charset="UTF-8">
    <title>Title</title>
    </head>
    <body>
    <form action="" method="get">
    <input type="text">
    <input type="password">
    <input type="radio" name="sex">男
    <input type="radio" name="sex">女

    <input type="checkbox">吃饭
    <input type="checkbox">睡觉
    <input type="checkbox">打豆豆

    <input type="submit" value="提交">
    <input type="button" value="按钮">
    <input type="reset" value="重置按钮">
    </form>
    </body>
    </html>






    <!DOCTYPE html>
    <html lang="en">
    <head>
    <meta charset="UTF-8">
    <title>Title</title>
    <style>
    #d1{
    background:red;
    200px;
    height:50px;
    }
    #d2{
    background:red;
    200px;
    height:50px;
    }
    #d3{
    background:red;
    200px;
    height:50px;
    }
    .c1{
    background:yellow;
    200px;
    height:50px;
    }
    div{
    background:green;
    200px;
    height:50px;
    }

    </style>
    </head>
    <body>
    <div id="d1">1810a</div>
    <div id="d2">1810a</div>
    <div id="d3">1810a</div>
    <div class="c1">1810a</div>
    <div class="c1">1810a</div>
    <div class="c1">1810a</div>
    <div>1810a</div>
    <div>1810a</div>
    <div>1810a</div>
    </body>
    </html>



    <!DOCTYPE html>
    <html lang="en">
    <head>
    <meta charset="UTF-8">
    <title>Title</title>
    <style>
    .c1{
    background:red;
    100px;
    height:100px;
    }
    .c2{
    background:yellow;
    200px;
    height:200px;
    }
    </style>

    </head>
    <body>
    <!--<div id="d1" class="c1">1810a</div>-->
    <ul>
    <li>1</li>
    <li>2</li>
    <li>3</li>
    <li>4</li>
    <li>5</li>


    </ul>
    </body>
    <script>
    //如何获取标签
    //方式1,用id
    //d1.innerHTML='1810a班是最牛的班级'

    //弹框输出
    //alert(123)

    //交互输入
    // var a=prompt('请输入一句话')
    // //alert(a)
    // d1.innerHTML=a
    // d1.style.background='yellow'
    // d1.style.height='500px'

    // //修改类名
    // d1.className='c2';

    var arr=document.getElementsByTagName('li')
    alert(arr[2].innerHTML)

    for(var i=0;i<=5;i++){
    alert(arr[i].innerHTML)
    }


    </script>
    </html>







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  • 原文地址:https://www.cnblogs.com/wyf2019/p/10951975.html
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