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What is the instanceof operator in JavaScript?

...ript, esp. for some who are used to a language that requires e.g. explicit casting to alter a variable type. As you pointed out, it's very easy to change the type from e.g. primitive int to primitive string. – moey Oct 18 '12 at 23:51 ...
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How to style the option of an html “select” element?

...ed via CSS. There are replacement plug-ins/libraries that look like a <select> but are actually composed of regular HTML elements that CAN be styled. share | improve this answer | ...
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Difference between decimal, float and double in .NET?

...a double/float. Decimals and Floats/Doubles cannot be compared without a cast whereas Floats and Doubles can. Decimals also allow the encoding or trailing zeros. float flt = 1F/3; double dbl = 1D/3; decimal dcm = 1M/3; Console.WriteLine("float: {0} double: {1} decimal: {2}", flt, dbl, dcm); Res...
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jQuery get selected option value (not the text, but the attribute 'value')

... 04/2020: Corrected old answer Use :selected psuedo selector on the selected options and then use the .val function to get the value of the option. $('select[name=selector] option').filter(':selected').val() Side note: Using filter is better then using :sele...
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Check if option is selected with jQuery, if not select a default

Using jQuery, how do you check if there is an option selected in a select menu, and if not, assign one of the options as selected. ...
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How to get multiple selected values of select box in php?

I have a html form which has a select list box from which you can select multiple values because its multiple property is set to multiple. Consider form method is 'GET'. The html code for the form is as follows: ...
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How to use Checkbox inside Select Option

The client has given me a design which has a Select Option menu containing a checkbox together with the item name as individual items in the list. Is there anyway possible to add a checkbox inside a Select Option menu? ...
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Select all DIV text with single mouse click

How to highlight/select the contents of a DIV tag when the user clicks on the DIV...the idea is that all of the text is highlighted/selected so the user doesn't need to manually highlight the text with the mouse and potentially miss a bit of the text? ...
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Are Javascript arrays sparse?

...ot use, neither use thou non-integers, excepting that thou then proceed to cast to String. Arbitrary objects are right out. – Crescent Fresh Oct 2 '09 at 18:37 8 ...
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jQuery - setting the selected value of a select control via its text description

I have a select control, and in a javascript variable I have a text string. 21 Answers ...