how to use the partition function from the underscore library in javascript

To use the partition function from the underscore library in javascript, you will first need to include the underscore library in your project. Here's an example of how to use the partition function:

index.tsx
// Import the underscore library
const _ = require('underscore');

// Define an array of numbers
const nums = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10];

// Use the partition function to split the array into two arrays
const [evenNums, oddNums] = _.partition(nums, num => num % 2 === 0);

console.log(evenNums); // [2, 4, 6, 8, 10]
console.log(oddNums); // [1, 3, 5, 7, 9]
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In this example, the partition function is used to split the nums array into two separate arrays: one containing all of the even numbers and one containing all of the odd numbers. The partition function takes two arguments: the array to partition and a callback function that determines which partition each element of the array should belong to. In this case, the callback function checks whether each number is even or odd by checking whether it has a remainder of 0 when divided by 2.