为动态生成html元素增加事件处理

您现在的位置：星云网络 >> 文章中心 >> 基础学习 >> 编程学习 >> 文章正文

文章搜索:

为动态生成html元素增加事件处理

作者：佚名文章来源：网络转载点击数：更新时间：2007-12-2

Adding onClick property to dynamicly genertated html element

function klik(){
alert("ppp");
}

function addNewImg(newImageId){
newImg = document.createelement('img');
newImg.id = "image"+newImageId;
newImg = document.getElementById("divimage1").appendChild(newImg);
newImg.onclick=klik
}

it works. The new image is created and after clicking on it "ppp" is alerted.

but when I use this:

function klik(ff){
alert(ff);
}

function addNewImg(newImageId){
newImg = document.createelement('img');
newImg.id = "image"+newImageId;
newImg = document.getElementById("divimage1").appendChild(newImg);
newImg.onclick=klik("ppp");
}

"ppp" is alerted in the moment of executing the statement newImg.onclick=klik("ppp"); and when clicking on the generated image nothing happens, even javascript Console of Firefox stays blind.

function addNewImg(newImageId){
newImg = document.createelement('img');
newImg.id = "image"+newImageId;
newImg = document.getElementById("divimage1").appendChild(newImg);
var onC='ppEdit("image'+newImageId+'","image")';
document.getElementById("image"+newImageId).onclick=new Function(onC);
}

it works

maybe an object detection be great to add too
why?
So browsers that understand document.getElementById,
document.createelement execute the code.

function addNewImg(newImageId){
//object detection check
if (!document.getElementById &&!document.createelement){return;}
newImg = document.createelement('img');
newImg.id = "image"+newImageId;
newImg = document.getElementById("divimage1").appendChild(newImg);
var onC='ppEdit("image'+newImageId+'","image")';
document.getElementById("image"+newImageId).onclick=new Function(onC);
}

alternative solution:
if (!document.getElementById) {return;}
document.getElementById("image"+newImageId).onclick=function(){
ppEdit(this.id, "image");
}

加入网摘：365Key | 新浪ViVi | 和讯网摘 | 天极网摘 | POCO网摘

文章录入:文章录入：2006xynt 责任编辑：2006xynt

上一篇文章：在网页中动态的生成一个GIF图片

下一篇文章： TreeView中常用到的属性和事件

【发表评论】【加入收藏】【告诉好友】【打印此文】【关闭窗口】

网络赞助

工具文档

最新技术

热门文章