Boolean

Words that go with it

• .map()"For each item in this list, make this": turns a list into cards
• ArrayA list in square brackets
• Arrow functionA short function written with =>
• FunctionNamed instructions that run when used; components are functions
• Import / exportUsing something from another file / sharing something with other files
• keyA unique name tag on each item made by .map()
• ObjectOne thing described by name: value pairs in curly braces
• Optional (?)A property that may be left out
• ParameterAn input a function receives, in its round brackets
• Problems panelCursor's list of every error and warning in your project
• PropertyOne name: value pair in an object, read with a dot: service.title
• Red squiggleTypeScript (or ESLint) pointing at a mistake; hover to read it
• StringText, in quotes
• TypeA label describing what shape a value must have
• TypeScriptJavaScript with types that catch mistakes before visitors see them
• ValueA piece of information: text, a number, true/false, or nothing
• VariableA name for a value: const name = "Kofi"