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How to make JavaScript execute after page load?

... These solutions will work: <body onload="script();"> or document.onload = function ... or even window.onload = function ... Note that the last option is a better way to go since it is unobstrusive and is considered more standard. ...
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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...
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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 ...
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What's the best way to make a d3.js visualisation layout responsive?

... Confirming that Deepu is correct. Works with Bootstrap/flex grid. Thanks @Deepu. – Mike O'Connor May 7 '15 at 8:23 ...
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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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Detect Click into Iframe using JavaScript

... "\n"; console.value = text; } function attachOnloadEvent(func, obj) { if(typeof window.addEventListener != 'undefined') { window.addEventListener('load', func, false); } else if (typeof document.addEventListener != 'undefined') { ...
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How can javascript upload a blob?

...var xhr = new XMLHttpRequest(); xhr.open('POST', '/upload.php', true); xhr.onload = function(e) { ... }; xhr.send(file); Granted, if you are replacing a traditional HTML multipart form with an "AJAX" implementation (that is, your back-end consumes multipart form data), you want to use the FormData...
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how to stop browser back button using javascript

... example) in a web app where back/forward didn't really make sense anyway. Confirmed disables back and forward functionality (tho not the buttons themselves), including context menu option; verified in IE8 thru IE11, Chrome & FF. – nothingisnecessary Jan 29...
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How do I call a JavaScript function on page load?

...lly, to call a JavaScript function once the page has loaded, you'd add an onload attribute to the body containing a bit of JavaScript (usually only calling a function) ...
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Javascript - How to detect if document has loaded (IE 7/Firefox 3)

...d, then I can attach an event listener. I can't add an eventlistener after onload has already fired since it won't get called. So how can I check if the document has loaded? I tried the code below but it doesn't entirely work. Any ideas? ...