Underscore.js _.bind() Function
Underscore.js _.bind() function is used to bind a function to an object. When the function is called, the value of this will be the object.
Syntax:
_.bind(function, object, *arguments);
Parameters:
- function: This parameter holds the function that needs to be executed.
- object: This parameter holds the object elements.
- arguments: This parameter needs to add some symbols between the elements.
Return Value:
It returns the value that binds a function to an object.
Example 1: The below code example is the basic implementation of the _.bind() function in underscore.js.
html
<!DOCTYPE html> < html > < head > < script type = "text/javascript" src = "https://cdnjs.cloudflare.com/ajax/libs/underscore.js/1.9.1/underscore-min.js" > </ script > </ head > < body > < script type = "text/javascript" > let fun = function (Beginner) { return 'Company Name : ' + this.Company + '\nAddress : ' + this.Address + '\nContact : ' + this.Contact }; fun = _.bind(fun, { Company: 'w3wiki', Address: 'Noida', Contact: '+91 9876543210' }); console.log(fun()); </ script > </ body > </ html > |
Output:
Example 2: The below code is another implementation of the _.bind() method.
html
<!DOCTYPE html> < html > < head > < script type = "text/javascript" src = "https://cdnjs.cloudflare.com/ajax/libs/underscore.js/1.9.1/underscore-min.js" > </ script > </ head > < body > < script type = "text/javascript" > const obj = { Name: "w3wiki", Address: "Noida" }; let fun = function (Beginner) { return 'Welcome to ' + this.Name + '\nAddress: ' + this.Address }; fun = _.bind(fun, obj); console.log(fun()); </ script > </ body > </ html > |
Output:
Contact Us