Lodash is a JavaScript library that works on the top of underscore.js. Lodash helps in working with arrays, strings, objects, numbers, etc.
The _.prototype.at([paths]) method of Sequence in lodash is the wrapper version of _.at() method which creates an array of values analogous to the specified paths of an object.
Syntax:
_.prototype.at([paths])
Parameters: This method accepts a single parameter as described below:
- [paths]: It is the paths property which is to be chosen.
Return Value: This method returns the new lodash wrapper instance.
Example 1:
Javascript
// Requiring lodash library const _ = require('lodash'); // Creating an object variable var obj = { 'x': [{ 'y': { 'z': 5 } }, 6] }; // Calling at() method let result = _(obj).at(['x[0].y.z', 'x[1]']).value(); // Displays output console.log(result); |
Output:
[ 5, 6 ]
Example 2:
Javascript
// Requiring lodash library const _ = require('lodash'); // Creating an object variable var obj = { 'Geeks': [{ 'for': { 'Geeks': 5 } }, 13] }; // Calling at() method with its parameter let result = _(obj).at(['Geeks[0].for.Geeks', 'Geeks[1]']).value(); // Displays output console.log(result); |
Output:
[ 5, 13 ]
Example 3:
Javascript
// Requiring lodash library const _ = require('lodash'); // Calling at() method with its parameter let res = _({ 'b': { 'c': 33 } }) .at(['b.c']).value(); // Displays output console.log(res); |
Output:
[ 33 ]
Reference: https://lodash.com/docs/4.17.15#prototype-at
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