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本文介绍了类方法作为JavaScript中的事件处理程序？的处理方法，对大家解决问题具有一定的参考价值，需要的朋友们下面随着小编来一起学习吧！ 问题描述 29岁程序员，3月因学历无情被辞！ 有JavaScript的最佳实践或常见方法，让类成员作为事件处理程序吗？Is there a best-practice or common way in JavaScript to have class members as event handlers?考虑下面的简单示例：<head> <script language="javascript" type="text/javascript"> ClickCounter = function(buttonId) { this._clickCount = 0; document.getElementById(buttonId).onclick = this.buttonClicked; } ClickCounter.prototype = { buttonClicked: function() { this._clickCount++; alert('the button was clicked ' + this._clickCount + ' times'); } } </script></head><body> <input type="button" id="btn1" value="Click me" /> <script language="javascript" type="text/javascript"> var btn1counter = new ClickCounter('btn1'); </script></body>事件处理程序buttonClicked被调用，但是_clickCount成员不可访问，或 thisThe event handler buttonClicked gets called, but the _clickCount member is inaccessible, or this points to some other object.有关这类问题的任何好的提示/文章/资源？Any good tips/articles/resources about this kind of problems?推荐答案ClickCounter = function(buttonId) { this._clickCount = 0; var that = this; document.getElementById(buttonId).onclick = function(){ that.buttonClicked() };}ClickCounter.prototype = { buttonClicked: function() { this._clickCount++; alert('the button was clicked ' + this._clickCount + ' times'); }} 这篇关于类方法作为JavaScript中的事件处理程序？的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持！ 上岸，阿里云！ 08-11 21:04