Find Longest Word In String Javascript

01 Aug, 2021

Given a string and the task is to find the largest word from the string using JavaScript. In this article we will use two JavaScript methods sort method and the reduce method to find out the longest string the array.

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Find longest word in string javascript. Function findLongestWordstr split string into an array const splStrArray strsplit. The single value we want to return in this case is the longest word. Our input here is a string and our output is a numberUltimately we want to return the length of the longest word in the input string.

I strlength - 1. Forvar i 0. Accept the string in a function findLengthLongest.

In this tutorial youll learn how to find the longest word in a String with JavaScript. Hello guys this is geeksforgeeks where students learn programming Output. Then it will take the result of this the accumulator and compare it to the third and so on finally returning the longest word function findLongestWord str.

At the end of the loop just return the number value of the variable maxLength. Var longestWordLength 0. Both the approach are described below with the example.

Function find_longest_wordstr var array1 strmatchwa-z0gi. Function longest_stringstr_ara var max str_ara 0length. I ifstrSplitilength longestWordLength longestWordLength strSplitilength.

Order the length of words in the array from highest to lowest using the sort array method const orderedArray splStrArraysorta b blength - alength pick out the longest which would be the first item in the array with index 0 const longestWord2 orderedArray return longestWord2. Find the Longest Word With the sort Method For this solution we will use the Arrayprototypesort method to sort the array by some ordering criterion and then return the length of the first element of this array. Result str_arafilterv vlength max.

Declare a variable to keep track of the maximum length and loop from 0 to the length of the array of words. Return longestWord. Find longest word in a string.

Return result. The program takes following steps to find the longest string. Var word null.

Var longest 0. And from the collection of lengths we find the largest number and return the corresponding word. In this approach we will use sort method which calls a function on every 2 elements of the array.

Str_aramapv max Mathmax max vlength. Comparing the built words I use psuedocode here if the current word is the longest the longest word will be equal to the built word else if the new built word is longer than the current word set the longest word equal to the newly built word. Consolelogfind_longest_wordWeb Development Tutorial.

It takes a and b 2 arguments and compares their length. Then we can collect the length of each word. When I call longestWord Pride and Prejudice it returns Pride and not Prejudice which is the longest word.

With a for loop function findLongestWordV1str var strSplit strsplit. This is a demo String find the largest word from it Output. Var longestWord.

Get my free 32 page eBook of JavaScript HowTos httpsbitly2Th. Word str i. Function longestWord string var str stringsplit.

Consoleloglongest_stringa aa aaa aaaaaaaaa Copy. Then check for the longest word by comparing the current word to the previous one and storing the new longest word. In our case if we just sort the array.

Return word. X ifresultlength. Function longestWordtext var sortedArray textsplit sortwordA wordB wordBlength - wordAlength return sortedArray Notice that within our compare function we subtract the length of the second word from that to the first.

However we cant just call this on the entire string because it will just return the length of the entire sentence. I if longest str ilength longest str ilength. Store the words in.

Forvar x 1. Var result array10. Use JavaScript regex to extract each word from the string.

The general direction of finding a string is to access the length property. Function longest string return stringtrim split sreduce longest word wordlength longestlength. Geeksforgeeks To achieve this we use the following approaches.

So we need to split our sentence into separate words. Reduce aka fold in other languages when given no 2nd argument will use the first element - the first word - in the array as its initial memo. For var i 0.

The sort method sorts the elements of an array in place and returns the array. Using an ifelse block inside the reduce method will take the first word then the second and see which is longer.

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