Javascript Array each=function(x)

Array.prototype.each=function(x){
  var f=x,i,m,l;/*from   w  w w  .j  a va2s .c  o m*/
  if(f){i=0;m=this;l=m.length;while(i<l){f(m[i],i,m);++i;};};
};



/*
var m=[1,2,3,4,5];
m.each(function(value,index,thearray){console.log(index+'/'+value,thearray);});
*/