Input type only with numbers
Question
我制作了仅适用于数字的表格，当用户键入无效的字母时，我想提醒用户，然后删除该容灾或将输入框设为红色...，我该怎么做？
1 answers
solution1
0 2010-09-28 01:23:44
Don't let the user type anything else, if you dont want to.
You can observe the onkeypress-Event and check the charCode. If it's not a Number, simply return false .
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