Expressions coding and or not coding

 What syntax compares using "Equal to" ?

• =

• ==

• !=

• >=

 What syntax compares using "Not equal to" ?

• =

• ==

• !=

• >=

Match the following

• assign 3 to x

• =

• assignment

  operator

• ==

• compare

  health to

  4

• boolean

• true or false

• health == 4

• comparison

  operator

• x = 3

A condition is __________.

• any expression that evaluates to True or False
• a built-in function that assigns a Boolean value to a variable
• a formula that is executed for a result
• an operand that indicates both conditions are True or False

var age = 17;

if ( age > 17 ) {

print("you are old enough to vote);
}

• Testing a condition

• True condition

• Always true

var yourHealth = 0;

var yourFood = 1;

if ( yourHealth < 1 | | yourFood < 1 ) {

print("you are dead");

}

• Testing two conditions

• You are dead

• you are alive

if ( x > 200 && y > 200)

• Always True

• compound condition testing x and y

• Always False

• x and y always greater than 200

Conditionals let your program

• Repeat code to increase efficiency

• Make decisions to follow a different path

• Run in the right order

• Give a set of commands a custom name

Match the coding syntax

• | |

• compare

• &&

• assign value

• =

• not

• = =

• or

• ! =

• and

Mark all items that are evaluated as true

• var lunchOver = true;
  or

  var foodSpoiled = false;

• var lunchOver = false;
  or

  var foodSpoiled = true;

• var lunchOver = true;
  or

  var foodSpoiled = true;

• var lunchOver = false;
  or

  var foodSpoiled = false;