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doesEndWith()

doesEndWith(suffix): (input) => boolean

Creates a predicate function that determines if a string ends with a specific suffix.

Parameters​

suffix​

string

The substring to use as the suffix

Returns​

(input): boolean

Parameters​

input​

string

Returns​

boolean

Remarks​

  • Pure function with no side effects
  • Case-sensitive comparison
  • Uses String.prototype.endsWith() internally
  • Useful for array filtering and functional programming

Example​

const isJsFile = doesEndWith('.js');
isJsFile('app.js');   // true
isJsFile('style.css'); // false