This function finds the index of the last occurrence of a specified value in an array.
JavaScript:
let lastIndex = (arr, value) => arr.lastIndexOf(value);
// Example
console.log(lastIndex([1, 2, 3, 2, 1], 1)); // 4
console.log(lastIndex(['a', 'b', 'c', 'b', 'a'], 'a')); // 4
TypeScript:
let lastIndex = (arr: T[], value: T): number => arr.lastIndexOf(value);
// Example
console.log(lastIndex([1, 2, 3, 2, 1], 1)); // 4
console.log(lastIndex(['a', 'b', 'c', 'b', 'a'], 'a')); // 4
As a seasoned WordPress developer with expertise in various tech stacks and languages, I bring years of experience to every project I handle. My passion for coding and dedication to delivering exceptional work ensures that each project I take on is of the highest quality. I specialize in creating custom themes, developing plugins, and building full-scale web systems. By staying up-to-date with the latest industry trends and best practices, I incorporate cutting-edge solutions into my work.
1 month ago
1 month ago
4 months ago7 months ago
7 months ago8 months ago