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JS restricts the input box (all commonly used ones)_javascript skills

WBOY
Release： 2016-05-16 17:27:49
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1. The text box can only enter numeric codes (decimal points cannot be entered)

Copy code The code is as follows:



2. Only numbers can be entered, decimal points can be entered.
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3. Number and decimal point method two
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4. Only letters and Chinese characters can be entered
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< input onkeyup="value=value.replace(/[d]/g,'') "onbeforepaste="clipboardData.setData('text',clipboardData.getData('text').replace(/[d]/g, ''))" maxlength=10 name="Numbers">

5. Only English letters and numbers can be entered, Chinese cannot be entered
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6. Only numbers and English can be enteredchun
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7. There can only be up to two digits after the decimal point (numbers and Chinese can be entered). Letters and arithmetic symbols cannot be entered:
Copy code The code is as follows:



8. There can only be up to two digits after the decimal point (numbers, letters, Chinese) (can be input), you can input operation symbols:
Copy code The code is as follows:


//Only Chinese characters can be input:

//Only numbers can be entered:

//Only English and numbers can be entered:

//The control input box can only input text or numbers, or it does not allow the input of special characters
//The following characters are not allowed to be entered here: (like!@#$%^&*, etc.)