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How to get the type of DOM element using JavaScript?

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  • Last Updated : 23 Jan, 2023
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The task is to get the type of DOM element by having its object reference. Here we are going to use JavaScript to solve the problem. 

Approach 1: 

  • First take the reference of the DOM object to a variable(Here, In this example an array is made of IDs of the element, then select random ID and select that particular element).
  • Use .tagName property to get the element name.

Example 1: This example using the approach discussed above.  

html




<h1 id="h1" style="color:green;">
    GeeksforGeeks
</h1>
<p id="GFG_UP"></p>
<button id="button" onclick="GFG_Fun()">
    click here
</button>
<p id="GFG_DOWN"></p>
<script>
    var up = document.getElementById('GFG_UP');
    var down = document.getElementById('GFG_DOWN');
    var arr = ["h1", "GFG_UP", "button", "GFG_DOWN"];
    up.innerHTML =
    "Click on the button to check the type of element.";
      
    function GFG_Fun() {
        var id = arr[Math.floor(Math.random() * arr.length)];
        down.innerHTML =
        "The type of element of id = '" + id + "' is "
        + document.getElementById(id).tagName;
    }
</script>


Output: 

How to get the type of DOM element using JavaScript?

How to get the type of DOM element using JavaScript?

Approach 2:  

  • First take the reference of the DOM object to a variable(Here, In this example an array is made of IDs of the element, then select random ID from the array and select that particular element.
  • Use .nodeName property to get the element name.

Example 2: This example using the approach discussed above. 

html




<h1 id="h1" style="color:green;">
    GeeksforGeeks
</h1>
<p id="GFG_UP"></p>
<button id="button" onclick="GFG_Fun()">
    click here
</button>
<p id="GFG_DOWN"></p>
<script>
    var up = document.getElementById('GFG_UP');
    var down = document.getElementById('GFG_DOWN');
    var arr = ["h1", "GFG_UP", "button", "GFG_DOWN"];
    up.innerHTML =
    "Click on the button to check the type of element.";
      
    function GFG_Fun() {
        var id = arr[Math.floor(Math.random() * arr.length)];
        down.innerHTML =
        "The type of element of id = '" + id + "' is "
        + document.getElementById(id).nodeName;
    }
</script>


Output: 

How to get the type of DOM element using JavaScript?

How to get the type of DOM element using JavaScript?


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