Question

Write a java script function that accepts a string as input and prints the 3rd, 5thand...

Write a java script function that accepts a string as input and prints the 3rd, 5thand 7thwordof input string with ‘-‘ in between the words. Spaces at the start and end of string must be

ignored.

it done html and javascript and plz do it in simple way

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Homework Answers

Answer #1

javascript and html code:

<html>
   <head>

      <script type = "text/javascript">
         function printFunction(words)
         { //main function

            words=words.trim(); //trim the string to ignore space at begin & end.
            var wordArray = words.split(" "); //split the string by space and make array.
          
            //print the values as per requirement.
            document.write(wordArray[3]+"-"+wordArray[5]+"-"+wordArray[7]);
          
         }
       
         function callFunc(){ //driver function
          var str="Artificial Intelligence looks all set to be the future of the World"; //string to be passed.
          printFunction(str); //call the function to print the values
         }
      </script>
    
   </head>
   <body>
      <p>Click the following button to call the function</p>
    
      <form>
         <input type = "button" onclick = "callFunc()" value = "Call Function">
      </form>
    
      <p>Use different text in write method and then try...</p>
   </body>
</html>

Output:

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