[Solved] Tic Tac Toe program by using Javascript [closed]

Question

The code is not related to Tic-Tac-Toe. This is general JavaScript code. Not Specific.

All this do is check whether a document.all is present and whether getElementById function is present or not. Which is true for present World.

document.all list all elements and document.getElementById is a function which return the element with id that match the argument you pass.
Then write the HTML style code to document.

<style>
 .tictac{
       width:50px;
       height:50px;
 }
</style>

For your understanding, The snippet is below.

I added a div with class=tictac and styled it with background-color black

When you run the snippet, the size of div is set to 50x50 .

That is all this code do.

if (document.all||document.getElementById){
  document.write('<style>.tictac{')
  document.write('width:50px;height:50px;')
  document.write('}</style>')
}

.tictac{
  background-color:#000;
}

<div class="tictac">ABCD</div>

Accepted Answer