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The substring() method extracts characters, between two indices (positions), from a string, and returns the substring. The substring() method extracts characters from start to end (exclusive). The substring() method does not change the original string.
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JavaScript String substring() substring() is similar to...
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4 cze 2024 · The substring () method of String values returns the part of this string from the start index up to and excluding the end index, or to the end of the string if no end index is supplied.
12 wrz 2023 · A string's substr() method extracts length characters from the string, counting from the start index. If start >= str.length , an empty string is returned. If start < 0 , the index starts counting from the end of the string.
27 cze 2017 · The substring() method returns a subset of a string between one index and another, or through the end of the string. Syntax str .substring( indexStart [, indexEnd ])
The following example uses the substring() to extract a substring from the index 11 to the end of the string: let str = 'JavaScript Substring' ; let substring = str.substring( 11 ); console .log(substring); Code language: JavaScript ( javascript )
JavaScript String substring() substring() is similar to slice(). The difference is that start and end values less than 0 are treated as 0 in substring().
substring() Return Value. Returns a new string containing the specified part of the given string. Note: substring() does not change the original string.
