Lodash - bindKey method

Syntax

_.bindKey(object, key, [partials])

Creates a function that invokes the method at object[key] with partials prepended to the arguments it receives.

Arguments

• object (Object) − The object to invoke the method on.

• key (string) − The key of the method.

• [partials] (...*) − The arguments to be partially applied.

Output

• (Function) − Returns the new bound function.

Example

var _ = require('lodash');
var object = {
   user: 'Joe',
   greet: function(message) {
      return this.user + ' : ' + message;
   }
};

//Bind this with object provided
updateMessage = _.bindKey(object, 'greet', "Welcome");
var result = updateMessage();
console.log(result);

Save the above program in tester.js. Run the following command to execute this program.

Command

\>node tester.js

Output

Joe : Welcome