This article shares the specific code of the vue-model implementation simple calculator for your reference. The specific content is as follows
<!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>Vue</title>
<script src="../lib/vue-2.4."></script>
</head>
<body>
<div >
<!-- Number one -->
<input type="text" v-model='n1' placeholder="0">
<!-- Addition, subtraction, multiplication and division -->
<select v-model='opt'>
<option value="+"> + </option>
<option value="-">-</option>
<option value="*">*</option>
<option value="/">/</option>
</select>
<!-- number2 -->
<input type="text" v-model='n2' placeholder="0">
<!-- equal sign -->
<input type="button" value='=' >
<!-- result -->
<input type="text" v-model='result' placeholder="0">
<!-- OK button -->
<input type="button" value='result' @click='calc'>
<!-- Return to zero -->
<input type="button" value='Return to Zero' @click='zero'>
</div>
<script>
var vm = new Vue({
el: '#app', //Indicates that this instance of the current new controls the area on the page data: { //The data attribute stores the data to be used in el n1: '',
n2:'',
result:'',
opt: '+'
},
methods:{
calc(){
// switch(){
// case '+':
// = parseInt(this.n1) + parseInt(this.n2)
// break;
// case '-':
// = parseInt(this.n1) - parseInt(this.n2)
// break;
// case '*':
// = parseInt(this.n1) * parseInt(this.n2)
// break;
// case '/':
// = parseInt(this.n1) / parseInt(this.n2)
// break;
// }
// Abbreviation var codeStr = 'parseInt(this.n1) '+ +' parseInt(this.n2)'
= eval(codeStr)
},
zero(){
this.n1 = '',
this.n2 = '',
= '',
= '+'
}
}
})
</script>
</body>
</html>
For technical articles related to calculator, please click on the topic:JavaScript Calculator Function Summary
The above is all the content of this article. I hope it will be helpful to everyone's study and I hope everyone will support me more.