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Zoom in on a point (using scale and translate)
... same positions. But, you simply use the matrix multiplications within the javascript canvas to set the pan and the scale (zoom) of the context. So rather than redraw all the shapes in a different location. You draw them in the same place and move the viewport within javascript. This method would al...
document.getElementById vs jQuery $()
...access the jQuery Object and get the first element in the object (Remember JavaScript objects act similar to associative arrays).
var contents = $('#contents')[0]; //returns a HTML DOM Object
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How to set a value to a file input in HTML?
...This is done for security reasons. Otherwise you would be able to create a JavaScript that automatically uploads a specific file from the client's computer.
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Is there a W3C valid way to disable autocomplete in a HTML form?
...ems to work well.
If you want to remove the warning entirely, you can use JavaScript to apply the attribute to browsers that support it (IE and Firefox are the important browsers) using someForm.setAttribute( "autocomplete", "off" ); someFormElm.setAttribute( "autocomplete", "off" );
Finally, if y...
Controller not a function, got undefined, while defining controllers globally
...ally invoke that closure to execute that definition code and actually tell Javascript my controller existed. I.e., the above needs to be:
(function() {
...stuff...
})();
Note the () at the end.
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How to get object length [duplicate]
...nd its polyfill as stated by Mozilla: developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/…
– Design by Adrian
Aug 7 '14 at 15:57
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What is the syntax rule for having trailing commas in tuple definitions?
...and, adopting this habit can lead to headaches if you're also dealing with JavaScript or JSON elsewhere in your application, since some browsers do not like it there.
– Cito
Nov 3 '11 at 12:07
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Preventing an image from being draggable or selectable without using JS
...and not selectable -- at the same time -- in Firefox, without resorting to Javascript? Seems trivial, but here's the issue:
...
What guidelines for HTML email design are there? [closed]
...st use them, make them as narrow as you can.
Don't even think about flash, Javascript, SVG, canvas, or anything like that.
Test, a lot. Make sure you test in a recent Outlook (things have changed a lot! It now uses Word as its HTML rendering engine, and it's crippled: Word 2007 HTML/CSS support). Gm...
How to get a microtime in Node.js?
...w")
console.log((loadTimeInMS + performanceNow()) * 1000)
See also: Does JavaScript provide a high resolution timer?
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