22

Question 1

x === y

Answer 1

true if both sides are exactly the same

Question 2

”===” does type coercion?

Answer 2

No

Question 3

”==” does type coercion?

Answer 3

Yes

Question 4

Best Practice “===” vs. “==”

Answer 4

• use “===” even if you need type coercion (convert the value manually before the comparison)
• avoid “==” as much as you can (because it can introduce many hard to find bugs)

Question 5

Best Practice “!==” vs. “!=”

Answer 5

• use “!==” (strict version)
• avoid “!=” (loose version)