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Introduction to the method of intercepting strings in js
JavaScript string interception methods, including substring, slice, substr, charAt and split methods. These methods can flexibly intercept different parts of the string according to specific needs. In actual development, choosing an appropriate method for string interception based on specific circumstances can improve the efficiency and readability of the code.
What are the ways to intercept strings in jsThe methods for intercepting strings in js include substring() method, substr() method, slice() method, split() method and slice() method. Detailed introduction: 1. The substring() method is used to intercept all characters from the starting index number to the ending index number in the string, but does not include the characters corresponding to the ending index number; 2. The substr() method is used with The substring() method is similar, and is also used to intercept the string from the starting index number to the ending index number, etc.
How to intercept string in jsjs uses the substring() method, the slice() method, the substr() method and the split() method to intercept strings. Detailed introduction: 1. The substring() method accepts two parameters, namely the starting position and the end position; 2. The slice() method allows the use of negative numbers as parameters, indicating that the index is calculated from the end of the string; 3. substr( ) method, which accepts two parameters, namely the starting position and the number of characters to be intercepted; 4. split() method, etc.
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