Learn JavaScript Prototype -
The Complete Guide:
Thread π§΅
The Complete Guide:
Thread π§΅
To learn JavaScript Prototype , first we have to understand the basic concept of Object.
For that you can go through it
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For that you can go through it
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you can create an object in JavaScript using an object constructor function.
For example -
For example -
JavaScript Prototype
In JavaScript, every function and object has a property named prototype by default.
For example -
In JavaScript, every function and object has a property named prototype by default.
For example -
Prototype Inheritance
In JavaScript, a prototype can be used to add properties and methods to a constructor function. And objects inherit properties and methods from a prototype.
For example-
In JavaScript, a prototype can be used to add properties and methods to a constructor function. And objects inherit properties and methods from a prototype.
For example-
Note:
Β The syntax to add the property to an object constructor function is:
Β The syntax to add the property to an object constructor function is:
Add Methods to a Constructor Function Using Prototype
JavaScript Prototype Chaining
If an object tries to access the same property that is in the constructor function and the prototype object, the object takes the property from the constructor function.
For example -
If an object tries to access the same property that is in the constructor function and the prototype object, the object takes the property from the constructor function.
For example -
__proto__
You can also access the prototype property of a constructor function from an object.
You can also access the prototype property of a constructor function from an object.
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