Lodash _.sortedLastIndex() Method
Last Updated :
27 Oct, 2023
Lodash _.sortedLastIndex() method is used to return the highest index of the array where an element can be inserted and maintain its sorted order.
Syntax:
_.sortedLastIndex(array, value);
Parameters:
- array: This parameter holds the sorted array.
- value: This parameter holds the value to evaluate.
Return Value:
This method returns the index at which the value should be inserted into the array.
Example 1: In this example, we are finding the index at which we can put the given value into the given array by the use of the lodash _.sortedLastIndex() method.
javascript
const _ = require( 'lodash' );
let x = [1, 2, 3, 4, 4, 4, 5, 6, 6]
let index = _.sortedLastIndex(x, 4);
console.log(index);
|
Output:
6
Example 2: In this example, we are finding the index at which we can put the given value into the given array by the use of the lodash _.sortedLastIndex() method.
javascript
const _ = require( 'lodash' );
let x = [ 'a' , 'b' , 'c' , 'd' , 'e' , 'e' , 'e' , 'f' ]
let index = _.sortedLastIndex(x, 'e' );
console.log(index);
|
Output:
7
Example 3: In this example, we are finding the index at which we can put the given value into the given array by the use of the lodash _.sortedLastIndex() method.
javascript
const _ = require( 'lodash' );
let x = [ 'ajax' , 'django' , 'mongoDb' ,
'react' , 'reactnative' , 'yarn' ]
let index = _.sortedLastIndex(x, 'ruby' );
console.log(index);
|
Output:
5
Note: This will not work in normal JavaScript because it requires the library lodash to be installed.
Reference: https://lodash.com/docs/4.17.15#sortedLastIndex
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