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String - Coggle Diagram

- - - - but searches from the end of a string to its beginning
  - - - alert( "Widget".includes("id") ); // true
      - alert( "Widget".includes("id", 3) ); // false, from position 3 there is no "id"
    - - alert( "Widget".startsWith("Wid") ); // true
      - alert( "Widget".endsWith("get") ); // true
- - - - alert( str.substring(6, 2) ); // "ring"
        
        It mean start=2 and end=6
- - - - is a regular expression object with predefined properties and methods
  - - - search a string for a pattern
      - return true or false
    - - search for a match in a specified string
      - returns a result array, or null instead of returning true/false.