add after ary assign assignIn assignInWith assignWith at before bind bindAll bindKey camelCase capitalize castArray ceil chain chunk clamp clone cloneDeep cloneDeepWith cloneWith compact concat conformsTo countBy create curry curryRight debounce deburr defaults defaultsDeep defer delay difference divide drop dropRight each eachRight endsWith entries entriesIn eq escape every extend extendWith fill filter find findIndex findKey findLast findLastIndex findLastKey first flatMap flatMapDeep flatMapDepth flatten flattenDeep flattenDepth flip floor forEach forEachRight forIn forInRight forOwn forOwnRight fromPairs functions functionsIn get groupBy gt gte has hasIn head inRange includes indexOf initial intersection invert invertBy invoke invokeMap isArguments isArray isArrayBuffer isArrayLike isArrayLikeObject isBoolean isBuffer isDate isElement isEmpty isEqual isEqualWith isError isFinite isFunction isInteger isLength isMap isMatch isMatchWith isNaN isNative isNil isNull isNumber isObject isObjectLike isPlainObject isRegExp isSafeInteger isSet isString isSymbol isTypedArray isUndefined isWeakMap isWeakSet join kebabCase keyBy keys keysIn last lastIndexOf lowerCase lowerFirst lt lte map mapKeys mapValues max maxBy mean meanBy memoize merge mergeWith min minBy multiply negate nth omit omitBy once orderBy overArgs pad padEnd padStart parseInt partial partialRight partition pick pickBy pull pullAll pullAllBy pullAllWith pullAt random rearg reduce reduceRight reject remove repeat replace rest result reverse round sample sampleSize set setWith shuffle size slice snakeCase some sortBy sortedIndex sortedIndexOf sortedLastIndex sortedLastIndexOf sortedUniq split spread startCase startsWith subtract sum sumBy tail take takeRight tap template throttle thru toArray toFinite toInteger toLength toLower toNumber toPairs toPairsIn toPlainObject toSafeInteger toString toUpper transform trim trimEnd trimStart truncate unary unescape union uniq uniqBy uniqWith unset unzip unzipWith update updateWith upperCase upperFirst values valuesIn without words wrap wrapperAt wrapperChain wrapperCommit wrapperFlatMap wrapperLodash wrapperNext wrapperPlant wrapperReverse wrapperToIterator wrapperValue xor zip zipObject zipObjectDeep zipWith

Lodash _.findLast

Overview

The lodash _.findLast method is a JavaScript utility function that searches for the last element in an array-like object that matches a given condition. It is part of the widely used lodash library, which provides a wide range of utilities for manipulating arrays, objects, and strings in JavaScript.

The syntax for the _.findLast method is as follows:

_.findLast(collection, [predicate=_.identity], [fromIndex=collection.length-1])

The collection parameter is the array-like object to search. The predicate parameter is an optional function that is called on each element of the collection, and the element is included in the result if the function returns a truthy value. If no predicate is present, the _.identity method is used, which returns true for all values. The fromIndex parameter is also optional, and it specifies the index to start searching from. If not provided, the search starts at the end of the collection.

The _.findLast method returns the last element in the collection that satisfies the predicate function, or undefined if no element is found.

Here's an example usage of the _.findLast method:

const numbers = [1, 2, 3, 4, 5];

const result = _.findLast(numbers, (n) => n % 2 === 0);

console.log(result);
// Output: 4

In this example, the _.findLast method searches through the numbers array for the last even number. It finds the number 4, which is returned as the result.

Overall, the lodash _.findLast method is a useful utility for quickly searching through array-like objects in JavaScript and finding the last element that matches a given condition.