For appeals, questions and feedback about Oracle Forums, please email oracle-forums-moderators_us@oracle.com. Technical questions should be asked in the appropriate category. Thank you!
Using Javabeans, we can write HTML/Javascript/CSS in oracle forms.
Also, we can use the Javascript libraries like Bootstrap, jQuery UI, Chart.js in Oracle forms.
https://www.youtube.com/watch?v=8hlSkX5TFnw
for more info: Oracle Forms