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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...
How do I prevent Android taking a screenshot when my app goes to the background?
...
I can also confirm that this problem appears on Samsung Gingerbread devices.
– Ernir Erlingsson
Apr 17 '13 at 7:44
7...
Using CSS for a fade-in effect on page load
...
You can use the onload="" HTML attribute and use JavaScript to adjust the opacity style of your element.
Leave your CSS as you proposed. Edit your HTML code to:
<body onload="document.getElementById(test).style.opacity='1'">
<...
Preloading images with JavaScript
...
there's no onload handler for any of the images
– Benny
Jul 27 '15 at 18:22
14
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execute function after complete page load
...vascript code is essentially the same amount of (if not less) code:
window.onload = function() {
// run code
};
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HTML5 Pre-resize images before uploading
...g = document.createElement("img");
var reader = new FileReader();
reader.onload = function(e) {img.src = e.target.result}
reader.readAsDataURL(file);
var ctx = canvas.getContext("2d");
ctx.drawImage(img, 0, 0);
var MAX_WIDTH = 800;
var MAX_HEIGHT = 600;
var width = img.width;
var height = img.he...
load scripts asynchronously
....createElement('script');
s.type = 'text/javascript';
s.src = src;
s.onload = s.onreadystatechange = function() {
//console.log( this.readyState ); //uncomment this line to see which ready states are called.
if ( !r && (!this.readyState || this.readyState == 'complete') )
{...
Including a .js file within a .js file [duplicate]
...ocument.getElementsByTagName("head")[0].appendChild(x);
You may also use onload event to each script you attach, but please test it out, I am not so sure it works cross-browser or not.
x.onload=callback_function;
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Getting scroll bar width using JavaScript [duplicate]
...rror if you execute the function before the document is has loaded (window.onload)
– lostsource
Dec 2 '14 at 11:48
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