<!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>Proxy vue 双向绑定</title> </head> <body> <div id="app"> <h3 id="papagraph"></h3> <input type="text" id="input" /> </div> </body> </html> <script> const papagraph = document.getElementById(‘papagraph‘); const input = document.getElementById(‘input‘); const data = { text: ‘hello‘ } const handler = { set: function(target, prop, value) { if (prop === ‘text‘) { target[prop] = value papagraph.innerHTML = value return true; } else { return false; } } } const myTest = new Proxy(data, handler); input.addEventListener( ‘input‘, e => { myTest.text = e.target.value; }, false ) </script>
原文地址:https://www.cnblogs.com/wilsunson/p/10280514.html
时间: 2024-10-07 07:26:46