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25 lip 2024 · Some of the most-used operations on strings are to check their length, to build and concatenate them using the + and += string operators, checking for the existence or location of substrings with the indexOf () method, or extracting substrings with the substring () method.
12 lip 2024 · The slice() method of String values extracts a section of this string and returns it as a new string, without modifying the original string.
25 lip 2024 · The split() method of String values takes a pattern and divides this string into an ordered list of substrings by searching for the pattern, puts these substrings into an array, and returns the array.
To get a character, use: [] or at method. To get a substring, use: slice or substring. To lowercase/uppercase a string, use: toLowerCase/toUpperCase. To look for a substring, use: indexOf, or includes/startsWith/endsWith for simple checks. To compare strings according to the language, use: localeCompare, otherwise they are compared by character ...
Basic String Methods. Javascript strings are primitive and immutable: All string methods produce a new string without altering the original string.
27 cze 2017 · MDN. String.prototype.substring () In This Article. 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]) Parameters. indexStart.
27 cze 2017 · Some of the most-used operations on strings are to check their length, to build and concatenate them using the + and += string operators, checking for the existence or location of substrings with the indexOf() method, or extracting substrings with the substring() method.
