How to allow only numbers being entered in a text field? The best way is to catch event when new value is entered and filtered it with regular expression.
You can convert any string to a URL-encoded string (suitable for transmission as a query string or, generally speaking, as part of a URL)
I usually use <img tag to create images almost for everything. However one day I stuck with the iPad being limited to load more than 8MB of images into one page. Eventually I had to replace all of my <img tags with the <canvas element.
It is impossible to clear upload file input box. The only standard thing u can use is a .reset() method of the form but it is not good. It will reset all other fields. File input box is READ ONLY, however there is a trick you can do.
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I am not a Flex guy and I don't think I will ever be. While searching [...]