d) Implement a simple "Hello World" HTML page. Using CSS and JavaScript, add a radio button that will allow the user to switch between day mode (i.e., white background, black text) and night mode (i.e., black background, white text). e) Implement HTML and JavaScript code that displays 3 text fields and a button. When a user inputs a number in the first text field and a number in the second text field and then clicks the button, the third text field should display the average of the two numbers.

d) Implement a simple "Hello World" HTML page. Using CSS and JavaScript, add a radio button that will allow the user to switch between day mode (i.e., white background, black text) and night mode (i.e., black background, white text). e) Implement HTML and JavaScript code that displays 3 text fields and a button. When a user inputs a number in the first text field and a number in the second text field and then clicks the button, the third text field should display the average of the two numbers.

EBK JAVA PROGRAMMING

9th Edition

ISBN:9781337671385

Author:FARRELL

Publisher:FARRELL

Chapter7: Characters, Strings, And The Stringbuilder

Section: Chapter Questions

Problem 3GZ

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Running Time of Application

The application has a feature called running time. It is one of the parameters for measuring its performance. It is written in a particular language and is designed to perform a specific task. Applications run in a specific environment. The execution of the business will depend on the application’s running time. It must be optimized in order to get the maximum benefits out of the application.

Question

d) Implement a simple "Hello World" HTML page. Using CSS and JavaScript, add a radio
button that will allow the user to switch between day mode (i.e., white background, black
text) and night mode (i.e., black background, white text).
e) Implement HTML and JavaScript code that displays 3 text fields and a button. When a user
inputs a number in the first text field and a number in the second text field and then clicks
the button, the third text field should display the average of the two numbers.

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