Week 4.1

What is the correct syntax to select an element by its ID in JavaScript?

• document.getElementByName()

• document.querySelectorAll()

• document.querySelector()

• document.getElementById()

What is the syntax for an if statement in JavaScript?

• if (condition) {

  statement

  }

• if [condition] then {

  statement

  }

• if { condition: statement }

• if (condition) then {

  statement

  }

What is the syntax for an if-else statement in JavaScript?

• if { condition: statement } else { condition: statement }

• if (condition) { statement } else { statement }

• if [condition] then { statement } else { statement }

• if (condition) then { statement } else { statement }

What is the correct way to use the comparison operator for "not equals" in a selection statement?

• =

• ==

• !=

• >

What are conditional tests in programming?

• Variables or expressions that resolve to Boolean values of true or false

• Loops used in programming

• Functions used in programming

• Variables used to store values

Which of the following is a comparison operator that checks if a value is greater than or equal to another value?

• =

• ==

• !=

• >=

What is the JavaScript symbol for Boolean "and"?

• =

• ==

• !=

• &&

What is the JavaScript symbol for Boolean "or"?

• =

• ==

• ||

• &&

What is the result of true && false?

• true

• false

• Undefined

• Null

What is the output if both conditions in the if statement are true?

if(GasInMyCar == "true" || GasInYourCar == "true") {

alert("Let's go!");

}else {

alert("Not yet!"); }

• "Not yet!"

• "Let's go!"

• The code will not run because of a syntax error.

• The code will not run because the conditions are impossible to meet.