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...

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...

I know I'm missing something obvious, but I can't seem to find my mistake. I want to see if an array is within another two dimensional array. Here's my code:  var cell = [0, 0]; var population = [[0, 0], [1, 1]];  if (cell == population[0...

I have the the below code and would expect that in the first pass of the fadeTo function "yes" would be printed as those first two console logs tell me it is the same element. But it doesn't recognize them as equal. What do I miss here?...

I'm working my way through the 3rd edition of Eloquent JavaScript and although I've seen one or two various answers on SO that seem almost identical in execution logic to mine that work mine just doesnt seem to no matter how I tweek it.   THE...

Hi I have three dynamic variable   my below code is working to check if all are equal  if ((a == b) && (b == c)) {    // they're all equal ... }   But, I want to create a function passing three variable to check if any one variable is equ...

Why is 1=='true' false?  If 1=='1' is true and 1==true is true.  If JavaScript compares only values not the types in the == scenario....