JavaScript/js14.html at main · sudeepnagar/JavaScript · GitHub

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<!--demo on js -->
<h3>demo on operators</h3>
<script>
    let x=15,y=7;
    //arithmatic operators   +, -, *, /, %,  **
        document.write(x+y, '<br>');
        document.write(y*3, '<br>');
         document.write(y**3, '<br>');
         document.write(x/4, '<br>');

   //relational operators  >, <, >=, <=, ==, !=, ===(strict equal), !==(strict not equal)
          document.write(x>=0, '<br>');
		  let z="7";
		  document.write(y==z, '<br>');//check only value(data) so ans is true
		  document.write(y===z, '<br>');//check value(data) with data type so ans is false

//logical operators		   &&, ||, !    (for comparing multiple conditions)
         document.write(x>=0 && x<=10, '<br>');
         document.write(!(y<0) , '<br>');

/*Assignment operators =  (to store the data into memory block)
    shorthand ope +=, -=,*=, /=, %=, **=
	*/
	x+=30; //x=x+30;
	document.write(x, '<br>');

//concatination ope  + (any side(left or right) if string is available then concat perform
document.write("rama"+ " rao", '<br>');
document.write(100+"mangos<br>");
document.write(22+true+"<br>");

//unary oper ++(increment)-> to add one number to existent number
// --(decrement)-> to substract one number to existent number
   /*   ++     ++var            var++
        --     --var            var--
		        (pre)           (post)  */
		x++;
document.write(x,"<br>");

//conditional ope  (ternary oper) ->to perform decision making (?:)
// cond ? stat1 : stat2
document.write(y%2===0?"even" : "odd");

</script>