js removes the first digit of the string as 0, and returns the number after removing 0 - Code World

js removes the first digit of the string as 0, and returns the number after removing 0

Enterprise 2023-08-25 23:34:07 views: null

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Origin blog.csdn.net/m0_71585401/article/details/131007858

js removes the first digit of the string as 0, and returns the number after removing 0

The input limit of js and jquery input box can only input the number 0 and positive integer (input 0 in the first digit, and automatically clear the 0 in the first digit when inputting a number greater than 0 in the second digit)

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JS transfers a value as a string but changes to a number type when receiving the value, and the first 0 disappears during the value transfer process

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js ------ removing spaces in the string

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