Question

Numeric variable contains only? fill in the blanks​

Answer 1

Answer:

To check for all numbers in a field

To get a string contains only numbers (0-9) we use a regular expression (/^[0-9]+$/) which allows only numbers. Next, the match() method of the string object is used to match the said regular expression against the input value

Explanation:

where is blanks

Answer 2

Explanation:

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