<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <title>Document</title> <style> </style> </head> <body> <div id="app"> <div>{{msg}}</div> <div>{{reverseString}}</div> <div>{{reverseString}}</div> <div>{{reverseMessage()}}</div> <div>{{reverseMessage()}}</div> </div> <script type="text/javascript" src="./js/vue.js"></script> <script> var vm = new Vue({ el: '#app', data: { msg: 'Hello', num: 100 }, methods: { reverseMessage: function() { console.log('methods') return this.msg.split('').reverse().join('') } }, computed: { reverseString: function() { console.log('computed') /* return this.msg.split('').reverse().join(''); */ var total = 0; for (var i = 0; i <= this.num; i++) { total += i; } return total; } } }) </script> </body> </html>
