Javascript - How to to access an object's attributes with a click function

Question

This is my first post on stackoverflow, so I apologize if my question isn't clear, or this has been answered before. I did try to look, but I think my issue is that I don't know what I'm doing wrong.

I currently have an object, like so:

var character = { name1: { info1: xx, info2: xx, ID: xx}, name2:  { info1: 
xx, info2: xx, ID: xx} }

I have an image that someone can click on, and that image has IDs that match the object IDs.

I'm trying to transfer the click attribute(ID) to a variable, parse it, then use it to access the more complete id information...like so:

var clickedOnId = $(this).attr("id");

function characterID() {
    var parseID = JSON.parse(clickedOnID)
    var accessID = character.name.parseID
    $(".div").html("<h2>" + accessID + "</h2>")
}

I know the click is logging the ID (I've console.log'ed it), so I know the click is receiving the ID attribute information from the image...so the problem has to do with how i'm accessing the object. I've tried not parsing it too, but that doesn't work. Does anyone have any suggestions for what I could do?

Thank you!

is that it has something to do with character.name in json you actually have name1, name2 etc. — Umang Gupta
– Umang Gupta, Commented Jun 16, 2017 at 17:45

Scott Marcus · Accepted Answer · 2017-06-16 18:55:28Z

2

JSON.parse() is not relevant here. Just a simple test to see if the clicked id matches the object id.

var character = { 
   name1: { 
     info1: "x info", 
     info2: "more x info", 
     ID: "xx"
   }, 
   name2: {
     info1: "y data", 
     info2: "specific y info", 
     ID: "yy"
   }
};


$("div").on("click", function(){

  // Loop over objects
  for(var prop in character){

    // Test to see if we have an id match
    if(character[prop].ID === this.id){
        
        // Begin preparing output
        var ul = document.createElement("ul");
        
        // Loop over sub-object properties and produce output
        for(var subProp in character[prop]){
          var li = document.createElement("li");
          li.textContent = prop + "." + subProp + " = "  + character[prop][subProp]; 
          ul.appendChild(li);
        }
    
        $(".div").html(ul);

    }
  }
  
});

<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<div id="yy">Try Me</div>
<div id="xx">Try Me</div>
<div class="div"></div>

edited Jun 16, 2017 at 18:55

answered Jun 16, 2017 at 17:48

Scott Marcus

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1 Comment

Scott Marcus Over a year ago

Don't forget to up vote and mark as the answer. Good luck.

pethel · Accepted Answer · 2017-06-16 17:54:53Z

0

Its not very clear what you are trying to achive.

function characterID() {
    var accessID = character["name" + clickedOnID];
    $(".div").html("<h2>" + accessID + "</h2>")
}

But that will probaly give you "<h2>[object Object]</h2>". So you probably want $(".div").html("<h2>" + accessID.ID + "</h2>") or some other property.

Also remember that clicking on a image is not a very good idea because of accessibility.

edited Jun 16, 2017 at 17:54

answered Jun 16, 2017 at 17:49

pethel

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