Underscore.JS - allKeys method

Syntax

_.allKeys(object)

allKeys method return all the names of object's properties and its inherited properties. See the below example −

Example

var _ = require('underscore');

function SetName(name) {
  this.name = name;
}
SetName.prototype.age = 30;
var result = _.allKeys(new SetName("Sam"));
console.log(result);

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

Command

\>node tester.js

Output

[ 'name', 'age' ]