how to use && and $ in jquery code example

Example 1: or operator js

//OR Operator 

const x = 7;
const y = 4;

(x == 5 || y == 5); // false 
(x == 7 || y == 0); // true
(x == 0 || y == 4); // true
(x == 7 || y == 4); // true

Example 2: jquery AND operation

$('[myc="blue"][myid="1"][myid="3"]');