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3 Simple Javascripts

I am in need of the following three simple javascript functions for my site:

1.) user inputs text in a one-line text area (html form), if it contains any other characters than letters, numbers and _ it deletes the character and gives a visible error to the user.

So in short:

username - okay

user_name_3 - okay

user* - not okay, deletes * and gives error

2.) user inputs text in a one-line text area (html form), it fills out another one-line text area (in the same form) after sending the text through a web-safe cleanup function (i have that code in php, not sure how helpful that is, you will probably need to adapt it a bit, but it's really easy)

area1: This Is Something I Wrote

area2: this_is_something_i_wrote

3.) Randomize date - there are three dropdowns in the html form - one for year, one for month and one for day. I would need a button or something to click that would randomize these values, preferably over the next 6 months.

Habilidades: Javascript

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Acerca do Empregador:
( 41 comentários ) Ljubljana, Slovenia

ID do Projeto: #144134