Multi-Dimensional Array Searching

JavaScriptSource Staff Jun 5, 2006

Use this prototype function to search through a multi-dimensional array. Simple yet efficient! Includes examples.

The JavaScript Source: Snippets : Multi-Dimensional Array Searching

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/* This script and many more are available free online at
The JavaScript Source :: http://www.javascriptsource.com
Created by: Jonathan Fenocchi :: http://www.slightlyremarkable.com/ */

//  Search format:
//  ArraytoSearch.search (String search term [, Boolean exact match])
//
//  Note: "ArraytoSearch" is an array variable. String search term is what
//  you want to find in that array. Boolean exact match can be set to true
//  or false. If you want to find an exact match, you can omit this argument
//  or send it as false. If you want to find an instance, you can send
//  this argument as true.
//
//  Example: http://www.webdeveloper.com/forum/showpost.php?p=348195&postcount=22
//

Array.prototype.search = function(s,q){
  var len = this.length;
  for(var i=0; i<len; i++){
    if(this[i].constructor == Array){
      if(this[i].search(s,q)){
        return true;
        break;
      }
     } else {
       if(q){
         if(this[i].indexOf(s) != -1){
           return true;
           break;
         }
      } else {
        if(this[i]==s){
          return true;
          break;
        }
      }
    }
  }
  return false;
}

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Multi-Dimensional Array Searching

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