I have a very long regular expression, which I wish to split into multiple lines in my JavaScript code to keep each line length 80 characters according to JSLint rules. It's just better for reading, I think. Here's pattern sample:  var patt...

In the book Javascript: The Good Parts by Douglas Crockford, this is all the author has to say about the continue Statement:     The continue statement jumps to the top of the loop. I have never seen a piece of code that was not improved by refactor...

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There is a discussion about JavaScript coding in my work group. Some people argues that we should use long-name for better readability; the others believes that short-name should be favored to same bits-on-wire.  Generally, it is about coding convent...

I have recently added a HasValue function to our internal javascript library:  function HasValue(item) {     return (item !== undefined && item !== null); }   A during a convorsation with a coworker, we came up with the idea of also adding an...

I found the following snippet when digging through some code:  "string" != typeof myVar && (myVar = "");   I understand what happens here. If myVar is not a string, that first condition evaluates to true so the second conditio...

When I want to write a class in Coffeescript that provides method chaining I often come up with the problem of having a one liner in principle but then having to add a line to actually return the instance for the chaining.  So instead of writing a s...

I'm curious as to how other people indent/break long jQuery chains, as I can never decide what is more readable (particularly when using .end() to "close" a block of methods e.g.   $(this).not(":has(.pointer)").append(pointerHtml...

This code trims whitespace, (fyi: it's credited to be very fast)  function wSpaceTrim(s){     var start = -1,     end = s.length;     while (s.charCodeAt(--end) < 33 );  //here     while (s.charCodeAt(++start) < 33 );  //here also      retu...

I'm wondering if there is a way to make large numbers readable in JavaScript. I'm sure there is I just can't find it. For example, if I am writing  for (var i=0; i < 1000000; i++){ codecodecode};   is there a way to write that 1000000...