JavaScript Class (class)staticKeyword
JavaScript Class (class)Examples
Examples
The following example creates a class "Example" and a static method hello():
class Example {
constructor(name) {
this.name = name;
}
static hello() {
return "Hello!!";
}
}
let noob = new Example("Example Tutorial");
//Can call the 'hello()' method in the class
document.getElementById("demo").innerHTML = Example.hello();
//Cannot call static methods through an instantiated object
// document.getElementById("demo").innerHTML = noob.hello();
//The above code will throw an error
Try it Yourself »
Definition and Usage
Classes define static methods using the static keyword.
Static methods are called directly on the class, and cannot be called on instances of the class.
Static methods are often used to create utility functions.
Syntax
static methodName()
Technical Details
| JavaScript Version: | ECMAScript 2015 (ES6) |
Browser Support
static is an ECMAScript6 (ES6) feature.
ES6 (JavaScript 2015) is supported by all current mainstream browsers.
| Chrome | Edge | Firefox | Safari | Opera |
| Yes | Yes | Yes | Yes | Yes |
Internet Explorer 11 or older versions of IE do not support the static keyword.
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