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JavaScript: Get image dimensions
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var img = new Image();
img.onload = function(){
var height = img.height;
var width = img.width;
// code here to use the dimensions
}
img.src = url;
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Get file size, image width and height before upload
... when the value of i is alerted in the callback function reader.onload it shows a random increment! e.g. for 4 files the value as alerted was 0 3 2 1 . Can any one explain that?
– freerunner
Mar 2 '14 at 11:16
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Detect blocked popup in Chrome
...n that worked for me: var popup = window.open(url); if (popup) { popup.onload = function () { console.log(popup.innerHeight > 0 ? 'open' : 'blocked'); } } else { console.log('blocked'); } Working example here: jsbin.com/uticev/3
– Remy Sharp
Jan ...
How to print from GitHub
...22http://ajax.googleapis.com/ajax/libs/jquery/%22+g+%22/jquery.min.js%22;c.onload=c.onreadystatechange=function()%7Bif(!b&&(!(d=this.readyState)%7C%7Cd==%22loaded%22%7C%7Cd==%22complete%22))%7Bh((f=e.jQuery).noConflict(1),b=1);f(c).remove()%7D%7D;a.documentElement.childNodes%5B0%5D.appendChi...
Javascript set img src
... can still use the image constructor, and perform the second action in the onload handler of your searchPic. This ensures the image is loaded before you set the src on the real img object.
Like so:
function LoadImages() {
searchPic = new Image();
searchPic.onload=function () {
docu...
Dynamically load JS inside JS [duplicate]
...s as you would. So:
var script = document.createElement('script');
script.onload = function () {
//do stuff with the script
};
script.src = something;
document.head.appendChild(script); //or something of the likes
sha...
iFrame src change event detection?
...way that I can detect a src change in it via the parent page? Some sort of onload maybe?
7 Answers
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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"))...
Focus Input Box On Load
... might not be supported in all browsers, so we can use javascript.
window.onload = function() {
var input = document.getElementById("myinputbox").focus();
}
2) How to place cursor at the end of the input text?
Here's a non-jQuery solution with some borrowed code from another SO answer.
fun...
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...