HTML CSS examples for HTML:Form Input
HTML5 Number Input Type
For the following number input, if you try to enter the number out of the range (1-10) or text character it will show error. <!DOCTYPE html> <html lang="en"> <head> <title>HTML5 Number Input Type</title> <style type="text/css"> input[type="number"]:valid{ outline: 2px solid green; }<!--from w w w.j a v a 2 s . co m--> input[type="number"]:invalid{ outline: 2px solid red; } </style> </head> <body> <form> <label> Select Number: <input type="number" value="1" min="1" max="10" step="0.5" name="mynumber"> </label> </form> </body> </html>