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This article mainly introduces "how to intercept the first few bits of a string in js". In daily operation, I believe that many people have doubts about how to intercept the first few bits of a string in js. The editor consulted all kinds of data and sorted out a simple and useful method of operation. I hope it will be helpful to answer the doubt of "how to intercept the first few bits of a string in js". Next, please follow the editor to study!

Method 1: use the slice () method

You can extract a part of a string and return the extracted part as a new string.

Grammar

String.slice (start,end)

Example

Var str= "abc12345"; alert (str.slice (3)) / / = > 12345 truncate the first three characters and retain the last few characters

Method 2: use the substring () method

Used to extract characters that are mediated between two specified subscripts.

Grammar

String.substring (start,stop)

Example

Var disName = 'Happy Family Beautiful Home'; var shortName = disName.substring (0P5); console.log (shortName); / / print result: happy people float here, the study on "how to intercept the first few digits of strings in js" is over, hoping to solve everyone's doubts. The collocation of theory and practice can better help you learn, go and try it! If you want to continue to learn more related knowledge, please continue to follow the website, the editor will continue to work hard to bring you more practical articles!

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