HTML

Check if a div exists with jquery

The first is the most concise, I would go with that. The first two are the same, but the first is just that little bit shorter, so you’ll save on bytes. The third is plain wrong, because that condition will always evaluate true because the object will never be null or falsy for that matter.

Is there a float input type in HTML5?

The number type has a step value controlling which numbers are valid (along with max and min), which defaults to 1. This value is also used by implementations for the stepper buttons (i.e. pressing up increases by step). Simply change this value to whatever is appropriate. For money, two decimal places are probably expected: (I’d also set min=0 if it can only be positive) If you’d … Read more

single line comment in HTML

from http://htmlhelp.com/reference/wilbur/misc/comment.html Since HTML is officially an SGML application, the comment syntax used in HTML documents is actually the SGML comment syntax. Unfortunately this syntax is a bit unclear at first. The definition of an SGML comment is basically as follows: A comment declaration starts with <!, followed by zero or more comments, followed by >. A comment starts and ends with … Read more

CSS !important not working

Give the <div> an id and then add this rule to your CSS stylesheet (or in a <style> tag if you don’t want to change the style sheet): !important in CSS allows the author to override inline styles (since they have a higher precedence than style sheet styles normally). It doesn’t automatically make the style marked !important override everything else. SEE: The W3C’s … Read more

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