Grid computing matrix process

gridComputingOnTheWeb.js

var socket   = io.connect('http://grid.moeinhm.ir:3000');
var GridTask = new Worker('matrix.js');
GridTask.postMessage('doIt');

GridTask.onmessage = function(result){
	socket.emit('result',result);
	GridTask.postMessage('doIt');
};

GridTask.onmessage(result);

socket.on('unProcessedData',function(data){
	GridTask.postMessage(data[0]);
	console.log("data:")
	console.log(data[0]);
});

GridTask.onmessage = function(result){
	socket.emit('result',result);
	console.log("result:")
	console.log(result);
};
socket.emit('ready',{});

matrix.js

var multipliction = function(matrixA,matrixB){
    var result = [];
for (var counter=0;counter < 9999;counter++){
result = new Array();
    for (var i = 0;i < matrixA.length;i++){
        result.push(new Array());
        for (var j = 0;j < matrixB.length;j++)
                result[i].push(0);
    }
    
    for (var i = 0;i < matrixA.length;i++)
        for (var j = 0;j < matrixA[i].length ;j++)
            for(var k = 0;k < matrixB[j].length;k++)
                result[i][j] += matrixA[i][k] * matrixB[k][j];
}
    return result;
};

var onmessage = function(message){
    
    var result = {
        '_id':message.data._id,
        'result':multipliction(message.data.matrixA,message.data.matrixB)
    };
    postMessage(result);
};