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本篇內(nèi)容主要講解“怎么為動(dòng)態(tài)生成的html元素增加事件處理”,感興趣的朋友不妨來看看。本文介紹的方法操作簡(jiǎn)單快捷,實(shí)用性強(qiáng)。下面就讓小編來帶大家學(xué)習(xí)“怎么為動(dòng)態(tài)生成的html元素增加事件處理”吧!
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");
}
到此,相信大家對(duì)“怎么為動(dòng)態(tài)生成的html元素增加事件處理”有了更深的了解,不妨來實(shí)際操作一番吧!這里是億速云網(wǎng)站,更多相關(guān)內(nèi)容可以進(jìn)入相關(guān)頻道進(jìn)行查詢,關(guān)注我們,繼續(xù)學(xué)習(xí)!
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