/* JavaScript shorthand +=
+= is shorthand to add something to a
variable and store the result as that same variable.
*/
// The standard syntax:
var myVar = 2;
console.log(myVar) // 2
var myVar = myVar + 3;
console.log(myVar) // 5
// The shorthand:
var myVar = 2;
console.log(myVar) // 2
var myVar += 3;
console.log(myVar) // 5
/* In JavaScript, += can also concatenate strings */
// The standard syntax:
var myName = "Hi, I'm"
console.log(myName) // Hi, I'm
var myName = myName + " Joe."
console.log(myName) // Hi, I'm Joe.
// The shorthand:
var myName = "Hi, I'm"
console.log(myName) // Hi, I'm
var myName += " Joe."
console.log(myName) // Hi, I'm Joe.
/* JavaScript shorthand -=
-= is shorthand to subtract something from a
variable and store the result as that same variable.
*/
// The standard syntax:
var myVar = 5;
console.log(myVar) // 5
var myVar = myVar - 3;
console.log(myVar) // 2
// The shorthand:
var myVar = 5;
console.log(myVar) // 5
var myVar -= 3;
console.log(myVar) // 2