What will the following code snippet log in the console?

let arr = [1, 2, 3];

for (i = 0; i < arr.length; arr[i++] = 0) ;

console.log(arr);

Select statements that will return true. Object is defined: let a = {a:1};

What will be logged to the console? console.log([0,0,0].fill(1,1) RangeError SyntaxError EvalError

Which statement returns false. First line in file is: var a = true; b = false; This code will throw an error delete a === b

Select the statement that will return truthy value. Array let a = [1,2,3,4] is defined

How can you remove spaces, tabs and line terminator characters around the string? String is defined like this: let string = 'hey'

What is the value of x? var x = typeof NaN;

The expression (typeof NaN === 'number') evaluates to:

(function() { 'use strict'; foo = 'bar'; })();

An (inner) function enjoys access to the parameters and variables of all the functions it is nested in. This is called:

Which is NOT a valid way to write a loop that will iterate over the values in the array in variable 'myArray'?