Javascript Number Of Characters In String

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Javascript Number Of Characters In String

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How To Count Duplicate Character In A String Using Java YouTube

There are a few different ways to count characters in JavaScript The most basic way is to use the length property which is available on all strings This will return the number of characters in the string including whitespace and other non visible characters var str Hello world console log str length prints 13 to the console 4 Answers Sorted by: 4 +50 Youre returning in the for loop, so the forloop just iterates once: function countCharacter (str, char) { var count = 0; for (var i = 0; i < str.length; i++) { if (str.charAt (i) === char) { count++; } } return count; } countCharacter ("My cat is driving my crazy", "a"); By the way, shorter:

Java Program To Count Total Characters In A String

Javascript Number Of Characters In StringThere are two ways to access an individual character in a string. The first is the charAt () method: js "cat".charAt(1); // gives value "a" The other way is to treat the string as an array-like object, where individual characters correspond to a numerical index: js "cat"[1]; // gives value "a" JavaScript uses UTF 16 encoding where each Unicode character may be encoded as one or two code units so it s possible for the value returned by length to not match the actual number of Unicode characters in the string

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