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32 lines
714 B
32 lines
714 B
<!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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<title>4.姓名案例_计算属性简写</title> |
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<script type="text/javascript" src="../vue.js"></script> |
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</head> |
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<body> |
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<div id="root"> |
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姓：<input type="text" v-model="firstName"> <br> |
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名：<input type="text" v-model="lastName"> <br> |
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姓名： <span>{{fullName}}</span> |
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</div> |
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<script type="text/javascript"> |
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const vm = new Vue({ |
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el: '#root', |
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data: { |
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firstName: "张", |
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lastName: "三" |
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}, |
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computed: { |
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fullName() { |
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return this.firstName + '-' + this.lastName |
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} |
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} |
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}) |
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console.log(vm) |
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</script> |
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</body> |
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</html> |