The _.bound() method returns function which is a property of an object by name, bound to the object made.
Syntax:
_.bound( obj, function);
Parameters:
- obj: The object in which the function is defined.
- function: A function defined containing the returning logic.
Return Value: This method returns a function.
Note: This will not work in normal JavaScript because it requires the underscore.js contrib library to be installed. Underscore.js contrib library can be installed using npm install underscore-contrib –save.
Example 1:
Javascript
// Defining underscore contrib variable var _ = require('underscore-contrib'); var gfgObject = { name: "neveropen", detail: "Computer science portal for neveropen", geekFunc: function() { return this.name + ": " + this.detail; } }; var gfgFunction = _.bound(gfgObject, "geekFunc"); console.log(gfgFunction()); |
Output:
neveropen: Computer science portal for neveropen
Example 2:
Javascript
// Defining underscore contrib variable var _ = require('underscore-contrib'); var gfgObject = { one : 1, two : 2, geekFunc: function() { return this.one + " and " + this.two; } }; var gfgFunction = _.bound(gfgObject, "geekFunc"); console.log(gfgFunction()); |
Output:
1 and 2
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