JavaScript | Change the text of a span element

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:

    • 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 .

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<!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>                    

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Output:


    

  • 
Before clicking on the button:
    


    • 

  • 
After clicking on the button:
    


    • 



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











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<!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>                     



















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Output:


    

  • 
Before clicking on the button:
    


    • 

  • 
After clicking on the button:
    


    • 




          
          
          
          

            

    

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