JavaScript/js15.html at main · sudeepnagar/JavaScript · GitHub

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<!--Operator Precedence
   ()
    .
   []
   ++ -- (pre) (if same priority ope is there then order of execution is L->R )
   **
   * / %
   + -
   > < >= <=
   == != === !==
   .......
   =
   ++ -- (post)


<!--demo on js -->
<h3>demo on Operator Precedence</h3>
<script>
     document.write(10-20/5+15*4,'<br>');
	 document.write(10+20*5-100%33,'<br>');
	 let x=13,y=9;
	 document.write("sum is "+x+y,'<br>');
	 document.write("sum is "+(x+y),'<br>');
	 document.write("sum is ",x+y,'<br>');
	  document.write("sub is "+x-y,'<br>');//performing some operation on non supported data type ther NaN error comes
	 document.write("sub is ",x-y,'<br>');

	  document.write("mul is " + x*y +'<br>');

	   document.write("res is "+ x>y,'<br>');
	   document.write("res is ", x>y,'<br>');
	   document.write("res is " +(x>y),'<br>');
</script>