63 lines
1.6 KiB
HTML
63 lines
1.6 KiB
HTML
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<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="UTF-8">
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<meta http-equiv="X-UA-Compatible" content="IE=edge">
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<title>计时器</title>
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<style>
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*{
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margin: 0;
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padding: 0;
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}
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.count{
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width: 200px;
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line-height: 200px;
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font-size: 70px;
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text-align: center;
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}
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button{
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width: 80px;
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height: 30px;
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}
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#count{
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margin: 0 auto;
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}
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</style>
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</head>
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<body>
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<div id="count">
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<h1>点击按扭进行{{version}}</h1>
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<div class="count">{{num}}</div>
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<button v-on:click=add>+</button>
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<button v-on:click="clean">清空</button>
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<button v-on:click="sub">-</button>
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</div>
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<script src="https://cdn.jsdelivr.net/npm/vue/dist/vue.js"></script>
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<script>
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let vue=new Vue({
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el:"#count",
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data:{
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version:"改变",
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num:0
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},
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methods: {
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add:function(){
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this.version="添加"
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this.num+=Math.ceil(Math.random()*100+22);
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},
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sub:function(){
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this.version="减少"
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this.num-=Math.ceil(Math.random()*100+1)
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},
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clean:function(){
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this.num=0
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this.version="改变"
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}
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},
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})
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</script>
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</body>
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</html>
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