The _.getPath() method is used to get the value at any depth in a nested object based on the path described by the given keys. Keys may be given as an array or as a dot-separated string.
Syntax:
_.getPath( Object_name, key_string|array );
Parameters:
- Object_name: Object from which the value is to be searched.
- key_string | array: Given dot-separated string or array to be searched in the given object.
Return Value: This method returns a value searched from the object.
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: Getting the value using a dot-separated string.
Javascript
// Defining underscore contrib variable var _ = require('underscore-contrib'); var ob = { gfg : { neveropen : "Computer Science Portal for Geeks" } }; var val = _.getPath( ob, "gfg.neveropen" ); console.log(val); |
Output:
Computer Science Portal for Geeks
Example 2: Getting value using an array.
Javascript
// Defining underscore contrib variable var _ = require('underscore-contrib'); var ob = { gfg : { neveropen : "Computer Science Portal for Geeks" } }; var val = _.getPath( ob, ['gfg', 'neveropen'] ); console.log(val); |
Output:
Computer Science Portal for Geeks
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