- Underscore.JS Tutorial
- Underscore.JS - Home
- Underscore.JS - Overview
- Underscore.JS - Environment Setup
- Underscore.JS - Iterating Collection
- Underscore.JS - Processing Collection
- Underscore.JS - Iterating Array
- Underscore.JS - Processing Array
- Underscore.JS - Functions
- Underscore.JS - Mapping Objects
- Underscore.JS - Updating Objects
- Underscore.JS - Comparing Objects
- Underscore.JS - Utilities
- Underscore.JS - Chaining
- Underscore.JS Useful Resources
- Underscore.JS - Quick Guide
- Underscore.JS - Useful Resources
- Underscore.JS - Discussion
Underscore.JS - omit method
Syntax
_.omit(object, *keys)
omit method return a copy of object by copies the other than specified keys to be omitted. We can pass a predicate as well instead of keys to determine keys to be omitted. See the below example −
Example
var _ = require('underscore'); var student = { name : 'Sam', age: 30, id: 1}; // Example 1: use omit to exclude name and age var student1 = _.omit(student, 'name', 'age'); console.log(student1); // Example 2: use omit to exclude age and id using function student1 = _.omit(student, function(value){ return _.isNumber(value)}); console.log(student1);
Save the above program in tester.js. Run the following command to execute this program.
Command
\>node tester.js
Output
{ id: 1 } { name: 'Sam' }
underscorejs_updating_objects.htm
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