Nodejs Array Search Linear linearSearch(val)

Method Source Code

Array.prototype.linearSearch = function(val){
  var answer = this.reduce(function(prev, curr, i){
    if (curr === val) {
      prev = i;//from w w  w. ja  v  a 2s .  co m
      return prev;
    } else {
      return prev;
    }
  }, -1);
  return answer;
};

Related

1. linearSearch(val)

   Array.prototype.linearSearch = function(val){
     for (var i=0; i<this.length; i++) {
       if (this[i] === val) {
         return i;
     return -1;
   };
   

2. linearSearch(val)

   Array.prototype.linearSearch = function(val){
     for (var i = 0 ; i < this.length; i++) {
       if (this[i] === val)
         return i;
     return -1;
   };
   

3. linearSearch(val)

   Array.prototype.linearSearch = function(val){
     for (var i = 0; i < this.length; i++) {
       if(this[i] === val) {
         return i
     return -1;
   Array.prototype.binarySearch = function(val){
   ...