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JS static method

2022-06-30 04:09:00 【Runqing】

es5:

let Person = function (type) {
    
  this.type = type
}

//  Static methods 
Person.breathe = function () {
    
	console.log('breathing')
}

//  The archetypal approach 
Person.prototype.speak = function () {
    
  Person.breathe()
  console.log('hhhhhh')
}

let student = new Person('student')
student.speak()
// breathing
// hhhhhh

es6:

class Person {
    
  constructor (type) {
    
    this.type = type
  }
  //  Static methods 
  static breathe () {
    
    console.log('breathing')
  }
  //  The archetypal approach 
  speak = function () {
    
    Person.breathe()
    console.log('hhhhhh')
  }
}

let student = new Person('student')
student.speak()
// breathing
// hhhhhh