Javascript Practice 42: JS Hero - Three identical values

 

Question: 

Write a function equals that checks 3 values for strict equality. The function should only return true if all 3 values are equal.

Example: equals(1, 1, 1) should return true and equals(1, 2, 1) should return false.

Answer: 

function equals (a,b,c) {

return a === b && a === c;

}; 

> declare a function equals

> it has 3 parameters

> the return statement is: a === b && a === c

> so the expression above will first check if a is strictly equal to b 

> then it will check if a is strictly equal to c

> if a is strictly equal to b and a is strictly equal to c then it will give a true statement 

> or else it will return false