javascript - Pass an input box value through to a var in the js doc to be used -


Whether the value of an input from a form can be used in a spread in a function.

For example: 

  & lt; Input type = "text" id = "userID" name = "userID" placeholder = "enter user id" style = "width: 200px;" / & Gt; & Lt; Input type = "submit" value = "search" />   
 Then userID will be passed to:  
  var userId = null;   
 I'm looking to use it as a way to input the Flickr API call for the user.  
  $ GetJSON ('http:? //api.flickr.com/services/rest/ method = flickr.photos.search & getSizes & api_key = feb7e93d9a90e9a734787bea9be81440 & user_id =' + userID + '& has_geo = 1 & amp; extras = geo & amp; format = json & jsoncallback =? ', Map images);   
 I was seen around and  
  var userId = document.getElementById ("userID") came to. Value;   
 This does not work though.  
 
 I have tried:  
  & lt; Form type = "post" onsubmit = "load images (); return back;" & gt; & Lt; Input type = "text" id = "userID" name = "userID" placeholder = "load user picture" /> & Lt; Input type = "submit" value = "get a flickr picture!" / & Gt; & Lt; / Form & gt; Usage of the function:  
  function load image () {var userId = document.getElementById ("userID"). Values; }   
 Is it on the right track or completely closed?   
 
 
  getElementById  is case-sensitive.  
 In your HTML you use  "userID"  and  "userId"  in your javascript.

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