<!DOCTYPE html><html><head> <title>ideal</title> <meta charset="utf-8"></head><body><input class="test" type="text" name="asd" onkeyup="handleChange()" v-model="hey"><input class="test" type="" name="" onkeyup="handleChange()" v-model="msg"><script type="text/javascript"> //定义一个变量 var bindingMark = ‘data-element-binding‘
function Element(classa, initData) { console.log("this zhi"); console.log(this); var self = this,
el = self.el = document.getElementsByClassName(classa),//多个input改为class bindings = {} data = self.data = {} for (var i = 0; i < el.length; i++) { content = el[i].outerHTML.replace(/v-model=\"(.*)\"/g, markToken);
//设置默认值 el[i].outerHTML = content } for (var variable in bindings) { bind(variable); } if (initData) { for (var variable in initData) { data[variable] = initData[variable] } }
function markToken(match, variable) { bindings[variable] = {} return bindingMark + ‘="‘ + variable + ‘"‘ //内填一个span变为只改它的元素 }
function bind(variable) {
bindings[variable].els = document.querySelectorAll(‘[‘ + bindingMark + ‘="‘ + variable + ‘"]‘)//document获取binding元素 ; Object.defineProperty(data, variable, { set: function (newVal) { [].forEach.call(bindings[variable].els, function (e) { bindings[variable].value = e.value = newVal //=>textContent改为input的value }) }, get: function () { return bindings[variable].value } }) } }
var app = new Element(‘test‘, { msg: ‘hello‘, hey: ‘aaa‘ })
function handleChange(e) { //增加v=>m的绑定
e = e || window.event var key = e.target.outerHTML.match(/data-element-binding=\"(.*)\"/)[1]; console.log("outerHTML") console.log(e.target.outerHTML); console.log("key: " + key); data[key] = e.target.value console.log(data.hey, data.msg); }</script></body></html>
https://www.cnblogs.com/dh-dh/p/5606596.html
原文地址：https://www.cnblogs.com/geekjsp/p/9550172.html
时间： 2024-10-16 03:03:58