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How can I listen to the form submit event in javascript?

...t;input type="submit" name="submit"> </form> JavaScript window.onload = function() { var form = document.querySelector("form"); form.onsubmit = submitted.bind(form); } function submitted(event) { event.preventDefault(); } ...
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How do I fix blurry text in my HTML5 canvas?

...s><svg>Your SVG here</svg></div> Javascript window.onload = function() { var PIXEL_RATIO = (function () { var ctx = document.createElement("canvas").getContext("2d"), dpr = window.devicePixelRatio || 1, bsr = ctx.webkitBackingStorePixelRatio || ...
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Deserializing a JSON into a JavaScript object

... Your server-side script processes that data. Using JSON.parse: window.onload = function(){ var placeholder = document.getElementById('placeholder1'); placeholder.innerHTML = JSON.parse(json)[0].adjacencies[0].nodeTo; } will throw: Uncaught SyntaxError: Unexpected token u in JSON at posit...
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How can I mock dependencies for unit testing in RequireJS?

...18n = stubs.i18n; stubs.i18n = { load: sinon.spy(function(name, req, onLoad) { onLoad(i18n); }) }; _.each(stubs, function(value, key) { var stubName = 'stub' + key + cnt; map[key] = stubName; define(stubName, function() { return value; }); }); return...
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Force browser to download image files on click

...(); xhr.open("GET", url, true); xhr.responseType = "blob"; xhr.onload = function(){ var urlCreator = window.URL || window.webkitURL; var imageUrl = urlCreator.createObjectURL(this.response); var tag = document.createElement('a'); tag.href = imageUrl; ...
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How to implement a confirmation (yes/no) DialogPreference?

How can I implement a Preference that displays a simple yes/no confirmation dialog? 3 Answers ...
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ArrayBuffer to base64 encoded string

...application/octet-binary'}); var reader = new FileReader(); reader.onload = function(evt){ var dataurl = evt.target.result; callback(dataurl.substr(dataurl.indexOf(',')+1)); }; reader.readAsDataURL(blob); } //example: var buf = new Uint8Array([11,22,33]); arrayBuffer...
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REST, HTTP DELETE and parameters

...ete may be invalid. You can probably imagine some scenarios yourself where confirmation of a delete is required 4 Answers ...
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Chrome ignores autocomplete=“off”

...t;input type="password" id="some_id" autocomplete="new-password"> JS (onload): (function() { var some_id = document.getElementById('some_id'); some_id.type = 'text'; some_id.removeAttribute('autocomplete'); })(); or using jQuery: $(document).ready(function() { var some_id = ...
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Inputting a default image in case the src attribute of an html is not valid?

...en t.src = url; } } } Use it like this: window.onload = function() { fixBrokenImages('example.com/image.png'); } Tested in Chrome and Firefox share | improve this ...