Lodash is a JavaScript library that works on the top of underscore.js. Lodash helps in working with arrays, strings, objects, numbers, etc.
The _.result() method is used to return the resolved values. If the resolved value is a function then it invoked with the this binding of its parent object. It is almost the same as _.get() function.
Syntax:
_.result( object, path, defaultValue )
Parameters: This method accepts three parameters as mentioned above and described below:
- object: It is the object that is queried.
- paths: It is a string or array of the paths of the property to resolve.
- defaultValue: It is the value returned for undefined resolved values. It is an optional value.
Return Value: This method returns the resolved value.
Example 1:
Javascript
// Requiring the lodash library  const _ = require("lodash");    // The source object var obj =   { 'x': [{ 'y': {     'z1': 6, 'z2': _.constant(9) } }]   };   // Use of _.result method console.log(_.result(obj, 'x[0].y.z1')); console.log(_.result(obj, 'x[0].y.z2')); |
Output:
6 9
Example 2: Â
Javascript
// Requiring the lodash library  const _ = require("lodash");    // The source object var obj =   { 'x': [{ 'y': {     'z1': 3, 'z2': _.constant(4) } }]   };   // Use of _.result method console.log(   _.result(obj, 'x[0].y.z3',     'default') ); console.log(   _.result(obj, 'x[0].y.z3',     _.constant('new-default')) ); |
Output:
'default' 'new-default'
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