core-js/src/array_statics.js

Standard library

// JavaScript 1.6 / Strawman array statics shim
!function(){
  function setArrayStatics(keys, length){
    $define(STATIC, ARRAY, turn.call(
      array(keys),
      function(memo, key){
        if(key in ArrayProto)memo[key] = ctx(call, ArrayProto[key], length);
      }, {}
    ));
  }
  setArrayStatics('pop,reverse,shift,keys,values,entries', 1);
  setArrayStatics('indexOf,every,some,forEach,map,filter,find,findIndex,includes', 3);
  setArrayStatics('join,slice,concat,push,splice,unshift,sort,lastIndexOf,' +
                  'reduce,reduceRight,copyWithin,fill,turn');
}();