Javascript Forms Text Box Characters Counter Tutorial

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Tutorial: Javascript Forms Text Box Characters Counter Tutorial

In forms when using text boxes or text areas with limited character length (usually needed for forms that submit data to a database) it is always a good idea to tell the user how many characters they have remaining. The following example shows how you ca

Tutorial Details:

Text Box Characters Counter

In forms when using text boxes or text areas with limited character length (usually needed for forms that submit data to a database) it is always a good idea to tell the user how many characters they have remaining. The following example shows how you can do this. This is a very simple and cute idea to help the user know exactly how many characters he can type further. Do these small add-ons to your forms and they will look really professional.

The JavaScript has two functions:
Function taLimit is used for the Key Press event for the text box or text area : When a key is pressed this function checks if the total number of characters typed equals the limit given by the property maxLength for the field. If the limit is reached then it return false thus not allowing any further key press event.

Function taCount is used for the Key Up event : We use this to change the value of the counter displayed and to truncate the excess characters if any (example if someone has cut and pasted the value into the field when we have allowed paste). To disable paste add the property onpaste="return false" to the field.

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