Javascript examples for DOM HTML Element:Input Text
The defaultValue property sets or gets the default value of a text field.
The default value is the value specified in the HTML value attribute.
You can use the defaultValue to find out whether the contents of a text field have been changed.
Set the defaultValue property with the following Values
Value | Description |
---|---|
value | Sets the default value of the text field |
A String, representing the default value of the text field
The following code shows how to change the default value of a text field:
<!DOCTYPE html> <html> <body> First Name: <input type="text" id="myText" value="Mickey"> <button type="button" onclick="myFunction()">Test</button> <script> function myFunction() {/*from w ww . j a v a 2s. co m*/ document.getElementById("myText").defaultValue = "new value"; } </script> </body> </html>