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Lodash - constant method
Syntax
_.constant(value)
Creates a function that returns value.
Arguments
value (*) − The value to return from the new function.
Output
(Function) − Returns the new constant function.
Example
var _ = require('lodash'); var check = _.cond([ [_.matches({ 'a': 1 }), _.constant('matches A')], [_.conforms({ 'b': _.isNumber }), _.constant('matches B')], [_.stubTrue, _.constant('no match')] ]); console.log(check({ 'a': 1, 'b': 2 })); console.log(check({ 'a': 0, 'b': 1 })); console.log(check({ 'a': '1', 'b': '2' }));
Save the above program in tester.js. Run the following command to execute this program.
Command
\>node tester.js
Output
matches A matches B no match
lodash_util.htm
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