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Check image width and height before upload with Javascript
...w Image();
var objectUrl = _URL.createObjectURL(file);
img.onload = function () {
alert(this.width + " " + this.height);
_URL.revokeObjectURL(objectUrl);
};
img.src = objectUrl;
}
});
Demo: http://jsfiddle.net/4N6D9/1/
I take it you real...
Is there a cross-browser onload event when clicking the back button?
For all major browsers (except IE), the JavaScript onload event doesn’t fire when the page loads as a result of a back button operation — it only fires when the page is first loaded.
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Make iframe automatically adjust height according to the contents without using scrollbar? [duplicat
... your iframe to this:
<iframe src="..." frameborder="0" scrolling="no" onload="resizeIframe(this)" />
As found on sitepoint discussion.
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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 ...
Sorting a tab delimited file
... shell doesn't support it. See this post: unix.stackexchange.com/a/371873/201820
– codeforester
Mar 20 '18 at 5:00
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jQuery callback on image load (even when the image is cached)
...n-DOM image object? If it's cached, this will take no time at all, and the onload will still fire. If it isn't cached, it will fire the onload when the image is loaded, which should be the same time as the DOM version of the image finishes loading.
Javascript:
$(document).ready(function() {
va...
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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css3 transition animation on load?
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Very little Javascript is necessary:
window.onload = function() {
document.body.className += " loaded";
}
Now the CSS:
.fadein {
opacity: 0;
-moz-transition: opacity 1.5s;
-webkit-transition: opacity 1.5s;
-o-transition: opacity 1.5s;
transit...
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...
Why is division in Ruby returning an integer instead of decimal value?
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Andrew Marshall
87.3k1818 gold badges202202 silver badges204204 bronze badges
answered Mar 31 '11 at 16:02
veesvees
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