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How to tell if a tag failed to load
...that it has not loaded after a timeout:
<script type="text/javascript" onload="loaded=1" src="....js"></script>
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How to add onload event to a div element
How do you add an onload event to an element?
24 Answers
24
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Using HTML5/Canvas/JavaScript to take in-browser screenshots
...t is now available separately here and some examples here.
edit 2
Another confirmation that Google uses a very similar method (in fact, based on the documentation, the only major difference is their async method of traversing/drawing) can be found in this presentation by Elliott Sprehn from the Goo...
ng-model for `` (with directive DEMO)
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I confirm the same experience; very nice debug and explanation. I'm not sure why the directive is creating its own scope.
– Adam Casey
Aug 12 '14 at 2:32
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Get the real width and height of an image with JavaScript? (in Safari/Chrome)
...mage is loaded. Instead of using timeouts, I'd recommend using an image's onload event. Here's a quick example:
var img = $("img")[0]; // Get my img elem
var pic_real_width, pic_real_height;
$("<img/>") // Make in memory copy of image to avoid css issues
.attr("src", $(img).attr("src"))...
make iframe height dynamic based on content inside- JQUERY/Javascript
...e IFRAME tag, you hook up the handler like this:
<iframe id="idIframe" onload="iframeLoaded()" ...
I had a situation a while ago where I additionally needed to call iframeLoaded from the IFRAME itself after a form-submission occurred within. You can accomplish that by doing the following withi...
pdf2htmlEX实现pdf转html - 开源 & Github - 清泛网 - 专注C/C++及内核技术
...。修改和添加的js代码如下：
//文件最后加上：
window.onload=function(){
var eles = document.getElementsByClassName('pf w0 h0');
var height = 0;
for(var i=0,len=eles.length;i<len;i++){
height +=eles[i].scrollHeight+20;
}
if(height>0)
document.getElementById('page-c...
Preloading images with JavaScript
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there's no onload handler for any of the images
– Benny
Jul 27 '15 at 18:22
14
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$(document).ready equivalent without jQuery
...k
});
jQuery's native function is much more complicated than just window.onload, as depicted below.
function bindReady(){
if ( readyBound ) return;
readyBound = true;
// Mozilla, Opera and webkit nightlies currently support this event
if ( document.addEventListener ) {
...
Show an image preview before upload
...").onchange = function () {
var reader = new FileReader();
reader.onload = function (e) {
// get loaded data and render thumbnail.
document.getElementById("image").src = e.target.result;
};
// read the image file as a data URL.
reader.readAsDataURL(this.files[0]...