Write in javaScript: User input 5 words in one input, and print out the longest word.

Expert Solution

Please comment if you have any doubt

Code:

<!DOCTYPE html>
<html>
<head>
   <title></title>
</head>
<body>
   <b>Enter words with space between them</b><br>
   <input type="text" id="words" placeholder="Enter Words Here"><br>
   <input type="button" value="Find Longest Word" onclick="findLongestWord();">
<script type="text/javascript">
   //below function will be called when you click button
   function findLongestWord(){
       //the value that is entered in input field with id words is stored in words
       var words=document.getElementById('words').value;
       //Splitting the words with space
       //split('x') will split the string with x and make it a list
       //change the x if you want to use ',','-' or any other separator
       var list_of_words=words.split(' ');
       //assuming that longest word is a empty string
       var longest_word='';
       //accessinf each word from list_of_words
       for(i=0;i<list_of_words.length;i++){
           //if a word's length is long then previous one
           //then it is made as new longest word
           if(list_of_words[i].length>longest_word.length){
               longest_word=list_of_words[i];
           }
       }
       //if no words are entered
       if(longest_word=='')
           document.write("Enter words");
       //Else if words are entered
       else
           document.write("Longest Word is:"+longest_word);
   }
</script>
</body>
</html>

Screenshot:

Output:

venereology answered 1 year ago

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