Javascript examples for DOM HTML Element:Input Text
Input Text defaultValue Property - shows the difference between the defaultValue and value property:
<!DOCTYPE html> <html> <body> Name: <input type="text" id="myText" value="Mickey"> <button type="button" onclick="myFunction()">Test</button> <p id="demo"></p> <script> function myFunction() {/* w w w .j a v a2 s.co m*/ var x = document.getElementById("myText"); var defaultVal = x.defaultValue; var currentVal = x.value; if (defaultVal == currentVal) { document.getElementById("demo").innerHTML = "Default value and current value is the same: " + x.defaultValue + " and " + x.value; } else { document.getElementById("demo").innerHTML = "The default value was: " + defaultVal + "<br>current value is: " + currentVal; } } </script> </body> </html>