JavaScript

Question 1

How do you access the index n of an array?

Answer 1

array[n]

Question 2

How do you compare if something is not equal to another?

Answer 2

!==

Question 3

How do you add a single line comment?

Answer 3

// This would be a single line comment

Question 4

How do you add a multi line comment?

Answer 4

/* This is a multi line comment, separated by newlines */

Question 5

What is the command to print to the console for debugging?

Answer 5

console.log()

Question 6

What is one syntax for function declaration?

Answer 6

var name = function(argument1, argument2) {
code goes here;
more code;
}

Question 7

How would you call a function ?

Answer 7

name(argument1, argument2);

Question 8

What is the syntax for an if-else statement?

Answer 8

if (condition) {
    code if condition is true;
} else {
    code if condition is false;
}

Question 9

What is the syntax for a for-loop?

Answer 9

for ( var i = startValue ; i < endValue ; i+=stepValue ) {
   code to be looped through;
}

Note: Remember the var i here can be anything really, but i is very common for a looping variable.