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document.location is an object, not a string. It returns (by default) the full path, but it actually holds more info than that. Shortcut for solution: document.location.toString().substring(2,3); Or use document.location.href or window.location.href
The substring() method extracts characters from start to end (exclusive). The substring() method does not change the original string. If start is greater than end, arguments are swapped: (4, 1) = (1, 4). Start or end values less than 0, are treated as 0.
4 cze 2024 · Description. substring() extracts characters from indexStart up to but not including indexEnd. In particular: If indexEnd is omitted, substring() extracts characters to the end of the string. If indexStart is equal to indexEnd, substring() returns an empty string.
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. More formally, in this case the substring starts at max(start + str.length, 0). If start is omitted or undefined, it's ...
25 lip 2024 · String.prototype.substr() Deprecated. Returns a portion of the string, starting at the specified index and extending for a given number of characters afterwards. String.prototype.substring() Returns a new string containing characters of the calling string from (or between) the specified index (or indices). String.prototype.toLocaleLowerCase()
The following example uses the substring method to extract a substring starting from the beginning of the string: let str = 'JavaScript Substring' ; let substring = str.substring( 0 , 10 ); console .log(substring); Code language: JavaScript ( javascript )
1 maj 2023 · The substring method is a built-in function that allows you to extract a portion of a string between two character indices. The method takes two arguments: the start index and the end index...
