java-script:reduce:find-longest-word-from-a-string
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| java-script:reduce:find-longest-word-from-a-string [2023/08/07 17:56] – ↷ Page moved from java-script:string:find-longest-word-from-a-string to java-script:reduce:find-longest-word-from-a-string odefta | java-script:reduce:find-longest-word-from-a-string [2025/01/02 18:22] (current) – external edit 127.0.0.1 | ||
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| ====== Find longest word from a string ====== | ====== Find longest word from a string ====== | ||
| + | |||
| + | < | ||
| + | The string is trimmed to remove any leading or trailing whitespace and split into an array of words using the regex **/\s+/, which matches one or more whitespace characters**: | ||
| + | </ | ||
| + | |||
| + | < | ||
| + | The function uses the **reduce** method on the array of words to find the longest word. The reduce method takes a callback function that compares the length of the current word to the length of the longest word found so far (maxWord): | ||
| + | <code javascript> | ||
| + | .reduce((maxWord, | ||
| + | return word.length > maxWord.length ? word : maxWord; | ||
| + | }, '' | ||
| + | </ | ||
| + | </ | ||
| <code javascript longest-word-string.js> | <code javascript longest-word-string.js> | ||
java-script/reduce/find-longest-word-from-a-string.1691431016.txt.gz · Last modified: (external edit)