var x=23;y=3 console.log( x <<=y); //returns 184. this shifts the binary of 23 which is 10111 to the left side which is now 10111000 expressed as 184 in decimal.
var x=23;y=3 console.log( x <<=y); //returns 184. this shifts the binary of 23 which is 10111 to the left side which is now 10111000 expressed as 184 in decimal.