This is a quick reference list of JavaScript statements with examples of how they are used.

• JavaScript – break Statement
  The break statement stops code execution within the switch, and also breaks out of a loop, continuing to execute code that comes after the loop.
• JavaScript – class Statement
  The class statement initiates a class with properties and methods assigned in the constructor() method.
• JavaScript – const Statement
  The const statement declares a variable (container for storing information) with an immediately defined value that will not change.
• JavaScript – continue Statement
  The continue statement breaks an iteration in the loop, if a specified condition occurs, and then continues with the next iteration in the loop.
• JavaScript – debugger Statement
  The debugger statement stops the execution of a script and calls the debugger. If debugging is unavailable, the statement has no effect.
• JavaScript – do…while Statement
  The do…while statement defines a code block to be executed at least once, and repeated as long as a condition is true.
• JavaScript – for Statement
  The for statement defines a block of code to be executed as long as a specified condition is true.
• JavaScript – for…in Statement
  The for…in statement loops over the properties of an object, executing a block of code inside the loop once for each item found.
• JavaScript – for…of Statement
  The for…of statement loops over the values of any iterable, executing a block of code inside the loop once for each item found.
• JavaScript – function Statement
  The function statement declares a function to be executed later, when it is called. Functions are objects, and have both properties and methods.
• JavaScript – if…else Statement
  The if…else statement executes a block of code if a specified condition is true, and optionally, another block of code if false.
• JavaScript – let Statement
  The let statement declares a variable (container for storing information), and can be empty when declared, with the value assigned later.
• JavaScript – switch Statement
  The switch statement executes different blocks of code depending on set conditions, and uses the break keyword to break out of the switch block.
• JavaScript – throw Statement
  The throw statement allows you to generate a custom error (throw an exception), which can be a String, a Number, a Boolean, or an Object.
• JavaScript – try…catch…finally Statement
  The try…catch…finally statement handles errors without stopping JavaScript to output the error.
• JavaScript – var Statement
  The var statement declares a variable (container for storing information), and can be empty when declared, with the value assigned later.
• JavaScript – while Statement
  The while statement defines a code block to be executed for as long as a condition is true.