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JavaScript | Change the text of a span element

  • Last Updated : 23 May, 2019

Given an HTML document and the task is to change the text of span element. There are two property used to change the content.

  • HTML DOM textContent Property: This property set/return the text content of the defined node, and all its descendants. By setting the textContent property, the child nodes the removed and are replaced by a single text node having the specified string.

    Syntax:

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    • Return the text content of a node:
      node.textContent
      
    • Set the text content of a node:



      node.textContent = text
      

    Property values: It contains single value text which specifies the text content of the specified node.

    Return value: It returns a string, representing the text of node and all its descendants. It returns null if the element is a document, a document type, or a notation.

  • HTML DOM innerText Property: This property set/return the text content of defined node, and all its descendants. By setting the innerText property, any child nodes are removed and are replaced by a single text node having the specified string.

    Syntax:

    • Return the text content of a node:
      node.innerText
      
    • Set the text content of a node:
      node.innerText = text
      

    Property values: It contains single value text which specifies the text content of the specified node.

    Return value: It returns a string, representing the “rendered” text content of a node and all its descendants.

Example 1: This example changes the content by using textContent property .




<!DOCTYPE HTML> 
<html
    <head
        <title
            JavaScript | Change the text of a span element
        </title>
    </head
      
    <body style = "text-align:center;" id = "body"
          
        <h1 style = "color:green;"
            GeeksForGeeks 
        </h1
          
        <span id="GFG_Span" style = "font-size: 15px; font-weight: bold;">
            This is text of Span element. 
        </span>
          
        <br><br>
          
        <button onclick = "gfg_Run()"
            Change
        </button>
          
        <p id = "GFG_DOWN" style
            "color:green; font-size: 20px; font-weight: bold;">
        </p>
          
        <script>
            var span = document.getElementById("GFG_Span");
            var el_down = document.getElementById("GFG_DOWN");
              
            function gfg_Run() {
                span.textContent = "New Span content";
                el_down.innerHTML = "Span content changed";
            }         
        </script
    </body
</html>                    

Output:

  • Before clicking on the button:
  • After clicking on the button:

Example 2: This example changes the content by using innerText property .




<!DOCTYPE HTML> 
<html
    <head
        <title
            JavaScript | Change the text of a span element
        </title>
    </head
      
    <body style = "text-align:center;" id = "body"
          
        <h1 style = "color:green;"
            GeeksForGeeks 
        </h1
          
        <span id="GFG_Span" style = "font-size: 15px; font-weight: bold;"
            This is text of Span element. 
        </span>
          
        <br><br>
          
        <button onclick = "gfg_Run()"
            Change
        </button>
          
        <p id = "GFG_DOWN" style
            "color:green; font-size: 20px; font-weight: bold;">
        </p>
          
        <script>
            var span = document.getElementById("GFG_Span");
            var el_down = document.getElementById("GFG_DOWN");
              
            function gfg_Run() {
                span.innerText = "New Span content";
                el_down.innerHTML = "Span content changed";
            }         
        </script
    </body
</html>                    

Output:

  • Before clicking on the button:
  • After clicking on the button:



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