The tutor tells a trick for printing long strings with JavaScript. Suppose you have a long string, over many lines, that you want to print with JavaScript. Typically, to print a string, you might assign it to a variable, then …
Web Programming: JavaScript: how to manage a multi-line string Read more »
The tutor shows an example of a wrapper program in action. To my knowledge, a wrapper is a program that hides a function that the managing system can’t handle. The “wrapping” is code that the managing system recognizes as the …
Web design: a JavaScript wrapper for SVG in WordPress Read more »
The tutor shows how to produce a graph of sinx on a web page using jsDraw2DX. I’ve mentioned jsDraw2DX in a couple of posts (here and here). For producing a graph of sinx, the basic construct is var singraph = …
The tutor talks a bit about “auto”: is it the default setting for layout? I’ve read that “auto” is default: unless you set the property to something else in particular, the element will be rendered as though that property was …
Self-tutoring about web programming terms: the tutor mentions AJAX. I understand AJAX to be an acronym: Asynchronous Javascript and XML. I’m not sure it necessarily involves xml. The data model behind AJAX is that a user clicks a button on …
The tutor tells how to determine the version of Python the server is using. I’ve found two ways to print out the version of Python used by the remote server: import platform print “Content-type: text/html\n\n” print(platform.python_version()) or else import sys …