JavaScript String Snippets

The JavaScript snippet collection contains a wide variety of ES6 helper functions. It includes helpers for dealing with primitives, arrays and objects, as well as algorithms, DOM manipulation functions and Node.js utilities.

  • Replace last occurrence in string

    JavaScript, String

    Replaces the last occurrence of a pattern in a string.

  • Common regular expressions

    JavaScript, String

    A collection of regular expressions that can be used to solve common problems.

  • Number of seconds to ISO format

    JavaScript, Date

    Returns the ISO format of the given number of seconds.

  • Extend hex value

    JavaScript, String

    Extends a 3-digit color code to a 6-digit color code.

  • Map string

    JavaScript, String

    Creates a new string with the results of calling a provided function on every character in the given string.

  • Copy to clipboard async

    JavaScript, Browser

    Copies a string to the clipboard, returning a promise that resolves when the clipboard's contents have been updated.

  • Count substrings of string

    JavaScript, String

    Counts the occurrences of a substring in a given string.

  • Swapcase string

    JavaScript, String

    Creates a string with uppercase characters converted to lowercase and vice versa.

  • Titlecase string

    JavaScript, String

    Converts a string to title case.

  • String permutations

    JavaScript, String

    Generates all permutations of a string (contains duplicates).

  • Camelcase string

    JavaScript, String

    Converts a string to camelcase.

  • Pascalcase string

    JavaScript, String

    Converts a string to pascal case.

  • Snakecase string

    JavaScript, String

    Converts a string to snake case.

  • Join URL segments

    JavaScript, String

    Joins all given URL segments together, then normalizes the resulting URL.

  • Hex to RGB

    JavaScript, String

    Converts a color code to an rgb() or rgba() string if alpha value is provided.

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