Which of the following the use of small programs that are executed based on user interaction with a web page is referred to as:

Which of the following the use of small programs that are executed based on user interaction with a web page is referred to as:

वेब पेज के साथ यूजर इंटरेक्शन के आधार पर निष्पादित किए जाने वाले छोटे प्रोग्रामों के निम्नलिखित में से कौन सा उपयोग कहलाता है: