How to add clear button to the dashboard

In the dashboard,  to clear all the prompts and reset it to the default values we can use either 
1) Clear My Selections under Page Options which is on the right side of the dashboard  or 
2) Include a clear button on the dashboard with HTML script.


1) Clear My Selections under Page Options which is on the right side of the dashboard

2) Include a clear button on the dashboard with HTML script.

a) Add a Text object to the section under the Edit Dashboard page options.

b) Edit the Text Object and enter the HTML code as shown in the image with a check mark on the HTML Markup.