Javascript

Variables

Summary

This page shows examples of how to declare and use variables in Javascript.

Discussion

• Declaring variables: var myVariable = ["item", 2, 4, "stuff"];

• Data types:

  • string: "stuff"
  • integer: 42
  • float: 3.14
  • bool: false
  • array: ["things", "go", "here"]

• Access items in an array through indices: myArray[0];

Examples

• String: var myString = 'hello';
• integer: var myInt = 42;
• float: var myFloat = 3.14;
• bool: var myBool = false;
• array: var myArray = ["things", "go", "here"];

References

• MDN: Variables