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vue的class对象绑定

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本节课程：

v-bind:class

v-bind:class

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下面我们对html进行了class的绑定

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>vueDemo</title>
    <script src="https://cdn.jsdelivr.net/npm/vue"></script>
</head>
<style>
    .active
    {
        color: red;
    }
    .big
    {
        font-weight: bolder;
        font-size: 64px;
    }

</style>
<body>
    <div id="myApp">
        <div v-bind:class="myClass">文本</div>
        <button @click="btnClick">点击改变</button>
    </div>
</body>
</html>
<script >
    var myApp = new Vue
    ({
        el: "#myApp",
        data:
        {
            myClass:
            {
                active:true,
                big:true
            }
        },
        methods:
        {
            btnClick: function()
            {
                this.myClass.active = !this.myClass.active;
                this.myClass.big =  !this.myClass.big;
            }
        }

    })
</script>
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