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自定義過濾器-有參數

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<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title></title>
    <meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=0">
    <meta name="apple-mobile-web-app-capable" content="yes">
<meta name="apple-mobile-web-app-status-bar-style" content="black"> <style> </style> <script src="vue.js"></script> <script> </script> </head> <body> <div id="box"> {{a | toDou 1 2}} </div> <
script> Vue.filter(toDou,function(input,a,b){ alert(a+,+b); return input<10?0+input:‘‘+input; }); var vm=new Vue({ data:{ a:9 }, methods:{ } }).$mount(#box); </
script> </body> </html>

自定義過濾器-有參數