HTML | DOM setRangeText() method

The setRangeText() method replaces a range of text in input or a textarea with another string.

Syntax:

element.setRangeText(replacement);

OR



element.setRangeText(replacement, start, end[, Mode]);

Parameters:

  • replacement: This parameter represents a string that will replace with the exits one.
  • Start: It specifies the index of the first character and it’s optional.
  • end: It specifies the index of character after the last start character it’s also optional.
  • Mode: This attribute defines how the selection should be set all the possible values are described below.
    • select: This will select the newly inserted text.
    • start: It will move the selected text before the newly inserted text.
    • end: Similar to start just move the selected text after the inserted text.
    • preserve: Preserve the selection and its default.
  • Example:

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    <!DOCTYPE html>
    <html>
      
    <head>
        <title>
            DOM focus() Method
        </title>
        <style>
            a:focus {
                background-color: magenta;
            }
        </style>
    </head>
      
    <body>
        <center>
            <h1 style="color:green;"
                 GeeksforGeeks 
            </h1>
            <h2>DOM select() Method</h2>
      
            <input type="text" id="text-box" size="40"
                value="A online Computer Science Portal.">
            <button onclick="selectText()">
             Update text
            </button>
          
            <script>
                //Main function 
                function selectText() {
                    const select = 
                        document.getElementById('text-box');
                    select.focus();
                    select.setRangeText
                        (' For Geeks.', 32, 40, 'select');
                }
            </script>
        </center>
    </body>            
    </html>        

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    Output :
    Before clicking the Update button:

    After clicking Update button.

    Supported Browsers: The supported browsers by HTML | DOM setRangeText() method are listed below:

    • Google Chrome
    • Internet Explorer
    • Firefox
    • Opera
    • Safari


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