HTML | DOM button Object
The button object in HTML is used to represent a <button> element. The getElementById() method is used to get the button object.
Property Values:
- autofocus: It sets or returns whether a button should automatically get focus when the page loads or not.
- defaultValue: It sets or returns the default value of the button.
- disabled: It sets or returns whether the button is disabled or not.
- form: It returns a reference to the form that contains the button.
- formAction: It sets or returns the value of the formation attribute of the button.
- formEnctype: It sets or returns the value of the formEnctype attribute of the button.
- formMethod: It sets or returns the value of the formMethod attribute of the button.
- formNoValidate: It sets or returns whether the button, allows the form-data to be validated or not.
- formTarget: It sets or returns the value of the formTarget attribute of the button.
- name: It sets or returns the value of the name attribute of the submit button.
- type: It returns the form element type of the button.
- value: It sets or returns the value of the value attribute of the button
Creating button object: The button object can be created using JavaScript. The document.createElement() method is used to create <button> element. After creating a button object use appendChild() method to append the particular element (such as div) to display it.
Example 1:
html
<!DOCTYPE html><html> <head> <title> DOM Button Object </title> <!-- script to create new button --> <script> function Geeks() { var myDiv = document.getElementById("GFG"); // creating button element var button = document.createElement('BUTTON'); // creating text to be //displayed on button var text = document.createTextNode("Button"); // appending text to button button.appendChild(text); // appending button to div myDiv.appendChild(button); ; } </script> </head> <body style = "text-align: center;"> <h1 style = "color:green;"> GeeksforGeeks </h1> <h2> DOM Button Property </h2> <p>Click the button to create a button.</p> <button onclick = "Geeks()"> Press me! </button> <br><br> <div id = "GFG"></div> </body></html> |
Output:
Before click on the button:
After click on the button:
Accessing button object: Access the button object by using the getElementById() method. Put the id of button element in the getElementById() to access it.
Example 2:
html
<!DOCTYPE html><html> <head> <title> DOM Button Object </title> <script> function geek() { // Accessing the button element // by using id attribute var doc = document.getElementById("btn"); // Changing the text content doc.textContent = "Click me!"; } </script> </head> <body style = "text-align: center;"> <h1 style = "color:green;"> GeeksforGeeks </h1> <h2> DOM Button Property </h2> <p> Click the button to change the text inside it. </p> <button type = "button" id = "btn" onclick = "geek()"> Try it </button> </body></html> |
Output:
Before click on the button:
After click on the button:
Supported Browsers:
- Google Chrome
- Edge 12 and above
- Internet Explorer
- Firefox
- Opera
- Safari
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