jk195417/prototype.js

Last active October 7, 2019 03:23

Star 1 You must be signed in to star a gist
Fork 0 You must be signed in to fork a gist

Learn more about clone URLs
Clone this repository at <script src="https://gist.github.com/jk195417/aba5d2dd80eeadbc65c98379cb9e2243.js"></script>
Save jk195417/aba5d2dd80eeadbc65c98379cb9e2243 to your computer and use it in GitHub Desktop.

Download ZIP

Raw

prototype.js

	var A = function() {}
	A.prototype.value = 'a'
	var B = function() {}
	B.prototype = new A()
	B.prototype.value = 'b'

	new B().value // return 'b'

Author

jk195417 commented May 8, 2019 •

edited

var A = function() {}
A.prototype.value = 'a'
var B = function() {
 this.value = 'b'
}
B.prototype = new A()

new B().value // return 'b'

lagagain commented May 8, 2019

var A = function() {}
A.prototype.value = 'a'
var a = new A()
var B = function() {}
B.prototype = A.prototype
B.prototype.value = 'b'

var b = new B()

a.value == b.value  // return true //wwwww

Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment