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what is the use of javascript static methods on classes

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Kevin Codes answered on October 11, 2020 Popularity 10/10 Helpfulness 4/10

answer what is the use of javascript static methods on classes

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what is the use of javascript static methods on classes

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// Classes : static methods in javascript classes 

class Square {
    constructor(width){
        this.width = width ;
        this.height = width ;
    }

    static equals(a , b){
        return a.width * a.height === b.width * b.height ;
    }

    static validDimensions(width , height ){
        return width === height ;
    }
}

console.log(Square.validDimensions(8 , 8));
console.log(Square.validDimensions(10 , 12));
console.log(Square.validDimensions(0 ,0 ));
console.log(Square.validDimensions(2 , 3));
console.log(Square.validDimensions(-3 , -3));

Popularity 10/10 Helpfulness 4/10 Language javascript

Source: Grepper

Tags: javascript static-methods

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Contributed on Aug 08 2021

Kevin Codes

0 Answers Avg Quality 2/10

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js class static function

Comment

class name {
  
  	static public_fn( /*...args */ ) {
		// function body
	}

	static #private_fn( /*...args */ ) {
		// function body
	}
}

Popularity 9/10 Helpfulness 3/10 Language javascript

Source: Grepper

Tags: class clas

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Contributed on Jan 25 2023

ocean

0 Answers Avg Quality 2/10

get static methods of class javascript

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class Hi {
	constructor() {
      console.log("hi");
    }
   	my_method(){}
  	static my_static_method() {}
}

function getStaticMethods(cl) {
  return Object.getOwnPropertyNames(cl)
}

console.log(getStaticMethods(Hi))
// => [ 'length', 'prototype', 'my_static_method', 'name' ]

Popularity 10/10 Helpfulness 2/10 Language javascript

Source: Grepper

Tags: class clas

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Contributed on Oct 11 2020

ali ahmed

0 Answers Avg Quality 2/10

static in class javascript

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// static in class javascript
// Static class methods are defined on the class itself.
// You cannot call a static method on an object, only on an object class.
class Car {
  constructor(name) {
    this.name = name;
  }
  static hello() {
    return "Hello!!";
  }
}

let myCar = new Car("Ford");

// You can call 'hello()' on the Car Class:
document.getElementById("demo").innerHTML = Car.hello();

// But NOT on a Car Object:
// document.getElementById("demo").innerHTML = myCar.hello();
// this will raise an error.

Popularity 9/10 Helpfulness 1/10 Language javascript

Source: Grepper

Tags: class clas

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Contributed on Nov 06 2022

Chetan Nada

0 Answers Avg Quality 2/10

what is the use of javascript static methods on classes

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