I stumbled upon this when I wanted to use the hola! plugin for Chrome, which helps you to pretend to be from a different country when you visit websites. This is helpful if the site contains content, that is blocked in other countries.
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I wanted a simple javascript detection for mobile devices. Since retina resolutions and big screen tablets, detection by screen width is not reliable anymore. On my search I spend most of the time on this Stackoverflow discussion page.
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This was driving me nuts! I wanted to use a DIV with contenteditable=true, which of course is rich text featured. That is certainly a good thing, but what if you don't want pasted tags to screw up the design in the editable box?
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Those who want to make the standard title-tooltips more beautiful, can use the following script with the help of jQuery. It finds the position of a link on a page and expands a tooltip below it (centered). A timeout prevents an up and down jumping of...

If you put multiple forms in a table-element, you will certainly have problems in most modern browsers. The form-tag will be closed by the browser, not including the input-fields. This is because it is not allowed anymore to nest form-tags...