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how to show alternate image if source image is not found? (onerror working in IE but not in mozilla)

...request.getContextPath()%>/writeImage.htm?' onerror='onImgError(this);' onLoad='setDefaultImage(this);'>" function setDefaultImage(source){ var badImg = new Image(); badImg.src = "video.png"; var cpyImg = new Image(); cpyImg.src = source.src; if(!cpyIm...
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How do I set up email confirmation with Devise?

Is there a tutorial out there that explains how to set up Devise's signup confirmation email from scratch (in both development and production), i.e. if you don't have Action Mailer set up? ...
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How to find the width of a div using vanilla JavaScript?

...ff console.log(style.height, style.width); }, 100); }; window.onload=function() { getStyleInfo(); }; If you use just window.onload=function() { var computedStyle = window.getComputedStyle(document.getElementById('__root__')); } you can get auto values for width and height beca...
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addEventListener not working in IE8

...n't support XMLHttpRequest.attachEvent() so you have to use XMLHttpRequest.onload = function() {} instead. function addEvent(el, e, f) { if (el.attachEvent) { return el.attachEvent('on'+e, f); } else { return el.addEventListener(e, f, false); } } var ajax = new XMLH...
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In Bash, how to add “Are you sure [Y/n]” to any command or alias?

In this particular case, I'd like to add a confirm in Bash for 17 Answers 17 ...
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How to apply a style to an embedded SVG?

...s"></script> </head> <body> <img src="image.svg" onload="SVGInject(this)" /> </body> </html> share | improve this answer | follow ...
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How to put a label on an issue in GitHub if you are not a contributor / owner?

... you could mark an issue as what you think is a bug, so the owner can just confirm that. Many people suggest labels in the title: [proposed Label] actual title share | improve this answer |...
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Best place to insert the Google Analytics code [duplicate]

... d = document.getElementsByTagName("head")[0], done = false; c.onload = c.onreadystatechange = function() { if (!done && (!this.readyState || this.readyState == "loaded" || this.readyState == "complete")) { done = true; b(); c.onload = ...
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What is the exact difference between currentTarget property and target property in javascript

... Minimal runnable example window.onload = function() { var resultElem = document.getElementById('result') document.getElementById('1').addEventListener( 'click', function(event) { resultElem.innerHTML += ('<div>target: ' + event....
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JS Client-Side Exif Orientation: Rotate and Mirror JPEG Images

...srcBase64, srcOrientation, callback) { var img = new Image(); img.onload = function() { var width = img.width, height = img.height, canvas = document.createElement('canvas'), ctx = canvas.getContext("2d"); // set proper canvas dimensions before transform &am...