Lodash _.juxt() Method
Last Updated :
13 Sep, 2021
The Lodash _.juxt() method returns a function whose return value is an array of the results after calling each of the functions with the given arguments.
Syntax:
_.juxt( function1, function2, .., function );
Parameters: This method accepts n functions containing the logic to return values.
Return Value: This method returns a function.
Note: To execute the below examples, you have to install the lodash-contrib library by using this command prompt and execute the following command.
npm install lodash-contrib
Below examples illustrate the Lodash _.juxt() method in JavaScript:
Example 1:
Javascript
var _ = require( 'lodash-contrib' );
function firstG (val) {
return val[0];
}
function F(val){
return val[5];
}
function lastG (val) {
return val[8];
}
var firstAndLastChars = _.juxt( firstG, F, lastG );
console.log(firstAndLastChars( "GeeksforGeeks" ));
|
Output:
[ 'G', 'f', 'G' ]
Example 2:
Javascript
var _ = require( 'lodash-contrib' );
function a() {
return "a" ;
}
function b() {
return "b" ;
}
function c() {
return "c" ;
}
function d() {
return "d" ;
}
var abcd = _.juxt( a, b, c, d );
console.log(abcd());
|
Output:
[ 'a', 'b', 'c', 'd' ]
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