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How could I delete the last character from an input in JQuery? For example, onclick of something, it deletes the last character (a comma in my case) from an input field.
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The easiest way is to use the built-in substring() method of the String class. In order to remove the last character of a given String, we have to use two parameters: 0 as the starting index, and the index of the penultimate character.
To get the last character of a string, call the charAt() method on the string, passing it the last index as a parameter. For example, str. charAt(str. length - 1) returns a new string containing the last character of the string.
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