A strict equality operator will tell you if two object types are equal. However, is there a way to tell if two objects are equal, much like the hash code value in Java? Stack Overflow question Is there any kind of hashCode function in JavaScript?...
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I want to write an if/else statement that tests if the value of a text input does NOT equal either one of two different values. Like this (excuse my pseudo-English code): var test = $("#test").val(); if (test does not equal A or B){ do s...
JavaScript's quirky weakly-typed == operator can easily be shown to be non-transitive as follows: var a = "16"; var b = 16; var c = "0x10"; alert(a == b && b == c && a != c); // alerts true I wonder if there are...
I’ve faced with the following problem. I’d like to use java.util.HashMap and java.util.PriorityQueue in Nashorn script, where I need to use particular custom object as a key in the HashMap, and also use HashMap.containsKey() to check if there is...
I've just been looking at the _.isEqual function of Underscore.js and a section of the code goes something like this: if (a === b) return true; if (typeof a !== typeof b) return false; if (a == b) return true; I'm just wondering if there...
data: function( elem, name, data ) { if ( !jQuery.acceptData( elem ) ) { return; } elem = elem == window ? windowData : elem; Copied directly from the jQuery source. Why is it not safe to use elem === window? Why does jQuery u...
I found the following jQuery, and it works great for a page that does not have dynamic content in a grid loading on the page as you click from tab to tab. One tabbed section of the grid, the default, will adjust the equal height correctly with the be...
I have a common menu with structure nav > ul > li > a If li has child dropdown menu I create dropdown toggle var dropdownToggle = $('<button />', { 'class': 'dropdown-toggle', 'aria-expanded': fals...
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