Ranjit Battwad

2++; // Unary Operator
2 + 3; // Binary Operator
(4 > 3) ? true : false; //Ternary Operator

let rem= num1 % num2; // Modulus
num1++; // Post-increment
++num1; // Pre-increment
num1-- // Post-decrement
--num1 // Pre-decrement

It is considered a good programming practice to add enough comments so anyone can understand your code just by looking at it with the supporting comments.

The browser attaches the style to the associated DOM nodes and finally displays the contents of the DOM.

It matches only those elements matched by the second selector that are the children of elements matched by the first
It is stricter than a descendent selector where the element2 can be the child of element1 at any level of DOM.