GGUESS – Number Guessing Game across technology stacks from PC BASIC to MVS 3.8J TSO / ISPF / KICKS /Hercules to HTML JavaScript(current version 0.9.00 2024-05-01) One of my first programs to write (during the late 1970’s) was a number guessing game using interactive BASIC interpreters on the Altair 8800 and TRS-80 Model I microcomputers (Intel 8080 CPU). The program…
Category: JavaScript
Dynamically Add-Remove Text on a Web Page
Sometimes, it may be necessary to display additional information on a web page conditionally facilitated by clicking on a link or icon or button. And, another click to remove (hide) the text on the page. For example, consider the below simple web page to demonstrate the idea: When the button Show more text is clicked, text is added and displayed…
How To Create a Four Function Web Calculator using JavaScript
Overview It is assumed that the reader has some knowledge of HTML (HyperText Markup Language) and programming logic. Access to reference materials (e.g. books, technical manuals, Internet) is a plus! The four-function calculator page uses HTML, CSS and JQuery for web page presentation and JavaScript for program logic. As the image to the left implies, all processing takes place on the…