Intro to Conditionals

Truthy values and falsy values

• Every value in JavaScript has an inherent boolean value.
• Falsy values
  • false
  • ""
  • null type
  • undefined type
  • 0
  • NaN
• Truthy values
  • Everything else
  • 0.0
  • "null"

Switch statement

switch(x) {
  case 'value1':  // if (x === 'value1')
    ...
    [break]
 
  case 'value2':  // if (x === 'value2')
    ...
    [break]
 
  default:
    ...
    [break]
}

• Each case statement is equivalent to ===