JavaScript Interview 40

1 Hello World program Easy Basic JavaScript Programs 2 Swap two numbers without third variable Easy Basic JavaScript Programs 3 Check even or odd Easy Basic JavaScript Programs 4 Sum of array elements Easy Basic JavaScript Programs 5 Find maximum in array Easy Basic JavaScript Programs 6 Map squares #3 Easy Basic JavaScript Programs 7 Filter evens #7 Easy Basic JavaScript Programs 8 Sum 1..15 #11 Easy Basic JavaScript Programs 9 Reduce product #15 Easy Basic JavaScript Programs 10 Max in set #19 Easy Basic JavaScript Programs

1 Sum of array elements Easy JavaScript — Arrays 2 Find maximum in array Easy JavaScript — Arrays 3 Filter even numbers Easy JavaScript — Arrays 4 Remove duplicates Medium JavaScript — Arrays 5 Flatten nested array (one level) Medium JavaScript — Arrays 6 Sum 1..5 #1 Hard JavaScript — Arrays 7 Filter evens #2 Medium JavaScript — Arrays 8 Map squares #3 Easy JavaScript — Arrays 9 Reverse a string Easy JavaScript — Strings 10 Check palindrome Easy JavaScript — Strings 11 Title case a sentence Medium JavaScript — Strings 12 Count word frequency Medium JavaScript — Strings 13 Valid parentheses Hard JavaScript — Strings 14 Sum 1..5 #1 Hard JavaScript — Strings

1 Reverse a string Easy JavaScript — Functions 2 Check palindrome Easy JavaScript — Functions 3 Title case a sentence Medium JavaScript — Functions 4 Sum 1..5 #1 Hard JavaScript — Functions 5 Filter evens #2 Medium JavaScript — Functions 6 Map squares #3 Easy JavaScript — Functions 7 Max in set #4 Medium JavaScript — Functions 8 Reduce product #5 Hard JavaScript — Functions 9 Filter even numbers Easy JavaScript — Objects 10 Remove duplicates Medium JavaScript — Objects 11 Flatten nested array (one level) Medium JavaScript — Objects 12 Sum 1..5 #1 Hard JavaScript — Objects

1 Simple HTTP response handler Medium JavaScript — Async / Promises 2 Sum 1..5 #1 Hard JavaScript — Async / Promises 3 Filter evens #2 Medium JavaScript — Async / Promises 4 Map squares #3 Easy JavaScript — Async / Promises 5 Max in set #4 Medium JavaScript — Async / Promises 6 Reduce product #5 Hard JavaScript — Async / Promises 7 Sum 1..10 #6 Medium JavaScript — Async / Promises 8 Filter evens #7 Easy JavaScript — Async / Promises 9 Filter even numbers Easy JavaScript — ES6+ 10 Remove duplicates Medium JavaScript — ES6+ 11 Flatten nested array (one level) Medium JavaScript — ES6+ 12 Sum 1..5 #1 Hard JavaScript — ES6+