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JavaScript jQuery Basics (2014) Creating a Mobile Drop Down Menu Getting a value

Posted by rodney rice
rodney rice
4,846 Points

i cannot figure this out

Take a look at the app.js and preview. The aim of this application is to show what the user types in to the input field and preview it in the H1 tag. Almost all the code is there, there's just one thing missing. Retrieving the value from the input. I forgot how to do it. Could you finish it for me? Thanks!

Chyno Deluxe
Chyno Deluxe
16,936 Points

Please provide the code you entered that is incorrect so we can show you what is missing.

1 Answer

Chris Freeman
MOD
Chris Freeman
Treehouse Moderator 68,423 Points
Chris Freeman
Chris Freeman
Treehouse Moderator 68,423 Points

The aim of this application is to show what the user types in to the input field and preview it in the H1 tag.

Looking at the HTML, what the user types in is held in the input element with the id "title". This is captured by the jQuery variable $titleInput

The previewTimer runs the function updatePreview every 1000 milliseconds (1 sec). This updates the previewTitle with the value of titleValue.

Unfortunately, titleValue is not set to anything. It is only declared.

The solution is to set titleValue to the current value of the $titleInput:

function updatePreview(){  
  //Get the user's input
  var titleValue = $titleInput.val();   //<-- fixed this line
  //Set the user input as the preview title. 
  $previewTitle.text(titleValue);
}