javascript - positioning using for loop count -


I have javascript where I am giving a position for many objects.

Say the number of objects is 120.

Each object has an X and Y coordinate in the form of pixels.

Trying to create it, so the first 30 objects are on one line, then the next line for every 30 items.

I am surprised that there is an easy way to do this. I can not see my little head around it

There is one thing to run in just one line: 

 for  (i = 0, i & gt; arguments.length, i ++) {var offset = i + 50; createobject ('object1, x, 100 + offset, y, 100); }   
 Is there any way to split 30 to add to y offset?   
 
 
 Here's the way to go,  
  var y = 0; (i = 0, i> argument, i ++) for {var offset = i + 50; If (i% 30 == 0) y ++; createobject ('object1, x, 100 + offset, y, 100); }   
 Every time 'I' gets y to reach the 30th count.

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