LZX-$17.lzx

<canvas debug="true" height="200">
   <debug y="5%" height="90%"/>
   <script>
   
     // Add a find method to Array
     Array.prototype.find = function ( what ) {
       for (var i = 0; i < this.length; ++i) {
         if (this[i] === what) {
           return i;
         }
       }
     }

     var sneaky = {example: 'sneaky'};
     var tryit = ['foo', 42, sneaky, Math.PI, false];

     Debug.format("42 is at: %s\n", tryit.find(42));
     Debug.format("false is at: %s\n", tryit.find(false));
     Debug.format("'bar' is at: %s\n", tryit.find('bar'));
     Debug.format("{example: 'sneaky'} is at: %s\n", tryit.find({example: 'sneaky'}));
     Debug.format("sneaky is at: %s\n", tryit.find(sneaky));
   
   </script>
 </canvas>