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How to take screenshot of a div with JavaScript?

I am building something called the "HTML Quiz". It's completely ran on JavaScript and it's pretty cool. 10 Answers ...
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jQuery get the location of an element relative to window

...TML DOM ID, how to get an element's position relative to the window in JavaScript/JQuery? This is not the same as relative to the document nor offset parent since the element may be inside an iframe or some other elements. I need to get the screen location of the element's rectangle (as in positio...
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Getting “Cannot read property 'nodeType' of null” when calling ko.applyBindings

...ng because I was trying to bind an HTML element before it was created. My script was loaded on top of the HTML (in the head) but it needed to be loaded at the bottom of my HTML code (just before the closing body tag). Thanks for your attention James Allardice. A possible workaround is using defer...
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Getting value of select (dropdown) before change

...h the focus and change events. The only thing you could do is adjust your script to bind after the elements are inserted into the page. – Andy E Nov 2 '10 at 11:11 1 ...
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jQuery: Count number of list elements?

...ts: var num = $("#mylist").find("li").length; console.log(num); <script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script> <ul id="mylist"> <li>Element 1</li> <li>Element 2</li> <li>Element 3</li> ...
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How to set time delay in javascript

...ned from above functions setTimeout and setInterval Example: setTimeout alert("before setTimeout"); setTimeout(function(){ alert("I am setTimeout"); },1000); //delay is in milliseconds alert("after setTimeout"); If you run the the above code you will see that it alerts before se...
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JavaScript object: access variable property by name as string [duplicate]

If I have a javascript object that looks like below 3 Answers 3 ...
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Is there a JavaScript / jQuery DOM change listener?

Essentially I want to have a script execute when the contents of a DIV change. Since the scripts are separate (content script in the Chrome extension & webpage script), I need a way simply observe changes in DOM state. I could set up polling but that seems sloppy. ...
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How to do something before on submit? [closed]

... You can use onclick to run some JavaScript or jQuery code before submitting the form like this: <script type="text/javascript"> beforeSubmit = function(){ if (1 == 1){ //your before submit logic } $("#formi...
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Limit number of characters allowed in form input text field

... Add the following to the header: <script language="javascript" type="text/javascript"> function limitText(limitField, limitNum) { if (limitField.value.length > limitNum) { limitField.value = limitField.value.substring(0, limitNum); } } &...