Lodash _.tap() method of Sequence in lodash is used to call interceptor. Moreover, the main task of the method is to “tap into” a method chain sequence so that the intermediate results can be modified.
Syntax:
_.tap(value, interceptor);
Parameters:
- value: It is the value to be given to the interceptor.
- interceptor: It is the function to be called.
Return Value:
This method returns the value.
Example 1: In this example, we are printing the array in the console by operating some other function on this with the help of the lodash _.tap() method.
Javascript
const _ = require( 'lodash' );
let result = _([5, 6, 7]).tap( function (arr) {
arr.push(8);
})
.value();
console.log(result);
|
Output:
[ 5, 6, 7, 8 ]
Example 2: In this example, we are printing the array in the console by operating some other function on this with the help of the lodash _.tap() method.
Javascript
const _ = require( 'lodash' );
let result = _([ 'Geeks' , 'for' ]).tap( function (arr) {
arr.push( 'Geeks' );
})
.value();
console.log(result);
|
Output:
[ 'Geeks', 'for', 'Geeks' ]
Example 3: In this example, we are printing the array in the console by operating pop and tail method on this with the help of the lodash _.tap() method.
Javascript
const _ = require( 'lodash' );
let result = _([ 'f' , 'g' , 'h' ]).tap( function (arr) {
arr.pop();
})
.tail()
.value();
console.log(result);
|
Output:
[ 'g' ]
Reference: https://lodash.com/docs/4.17.15#tap
Last Updated :
03 Nov, 2023
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