用javascript附加到div创建iframe [英] Create iframe with javascript appending to a div

问题描述

我想用常规的javascript将iframe加载/附加到div中。我可以用JQuery做到这一点，但没有问题，但我不想包含js文件。我不断收到错误'document.getElementById（ad54）'（或任何我分配div的ID）。我有以下代码：

I want to load/append the iframe into a div with regular javascript. I can do this with JQuery without a problem, but I dont want to include the js file. I keep getting the error 'document.getElementById("ad54")' (or whatever id I assign the div). I have the following code:

var link = "http://www.google.com"
var iframe = document.createElement('iframe');
iframe.frameBorder=0;
iframe.width="300px";
iframe.height="250px";
iframe.id="randomid";
iframe.setAttribute("src", link);
document.getElementById("ad54").appendChild(iframe);

<div id="ad54"></div>

推荐答案

p>

You should write this inside window.onload like

window.onload = function(){
   var link = "http://www.quirksmode.org/iframetest2.html"
var iframe = document.createElement('iframe');
iframe.frameBorder=0;
iframe.width="300px";
iframe.height="250px";
iframe.id="randomid";
iframe.setAttribute("src", link);
document.getElementById("ad54").appendChild(iframe);

}

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