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Retrieving from a 2D array

Hi i have created a table which display operators and operands randomnly. I want to retrieve every 3 element in each row. How can i proceed? can someone help?

Code:

<script type="text/javascript">

var totalRows = new Array(10);

var min =1;

var max =10;

function getRandom(x,y)

{return Math.floor(Math.random() * (y - x + 1)) + x;}

function drawTable() {

var div_id = document.getElementById('div1');

var tbl = document.createElement("table");

tbl.setAttribute("id","table_id") ;

tbl.setAttribute("border","1") ;

div_id.appendChild(tbl);

var tabl_id = document.getElementById("table_id");

var div_id2 = document.getElementById('div2');

var node= " ";

for(var i=0;i<10;i++){

var row=document.createElement('tr');

totalRows[i]= new Array(10);

for(var j=0;j<10;j++){

var cell=document.createElement('td');

cell.setAttribute("width","100px") ;

cell.setAttribute("height","35px") ;

var k = getRandom(0,1000);

if ((k%2)==0)

{

totalRows[i][j] = document.createTextNode(getRandom(min,max));

}

else{

var z=getRandom(0,1000);

if ((z%2)==0)

{totalRows[i][j] = document.createTextNode("+");}

else

{totalRows[i][j] = document.createTextNode("-");}

}

cell.appendChild(totalRows[i][j]);

row.appendChild(cell);

}

tabl_id.appendChild(row);

}

} 

</script>

Like this?

Code:

function getRandom(e,t){return Math.floor(Math.random()*(t-e+1))+e}function drawTable(){var e=document.getElementById("div1");var t=document.createElement("table");t.setAttribute("id","table_id");t.setAttribute("border","1");e.appendChild(t);var n=document.getElementById("table_id");var r=document.getElementById("div2");var i=" ";for(var s=0;s<10;s++){var o=document.createElement("tr");totalRows[s]=new Array(10);for(var u=0;u<10;u++){var a=document.createElement("td");a.setAttribute("width","100px");a.setAttribute("height","35px");var f=getRandom(0,1e3);if(f%2==0){totalRows[s][u]=document.createTextNode(getRandom(min,max))}else{var l=getRandom(0,1e3);if(l%2==0){totalRows[s][u]=document.createTextNode("+")}else{totalRows[s][u]=document.createTextNode("-")}}if(u%3===2){a.style.color="red"}a.appendChild(totalRows[s][u]);o.appendChild(a)}n.appendChild(o)}}var totalRows=new Array(10);var min=1;var max=10;drawTable()

I decided to post code that is as unreadable as yours. I strongly suggest you get an editor that supports intendation and that you actually use that to make your code somewhat readable.