phpjs/functions/strings/chop.js

php.js offers community built php functions in javascript

function chop(str, charlist) {
  // From: http://phpjs.org/functions
  // +   original by: Paulo Freitas
  // -    depends on: rtrim
  // *     example 1: rtrim('    Kevin van Zonneveld    ');
  // *     returns 1: '    Kevin van Zonneveld'
  return this.rtrim(str, charlist);
}