Feb 11 - javascript

Mention the w3c validation service.

Continue our discussion of javascript (the language) and the DOM (web page html tags are javascript objects).

Your tidbits?

Javascript topics

• Discuss the "class" syntax; see for example Eloquent Javascript chap 6.
• Here are my 2019 js js notes #1
• Note the many javascript frameworks (jQuery, underscore,
• Ajax - asyncronous javascript http calls for more stuff

In class questions :

• What are your choices for where to put the javascript code?
• How do you use JS to change some CSS ?
• How would you make an image change when you click a button? Can you do that a different way?
• When does javascript code run?
• How do you do an animation with JS ?
• What is a "canvas" tag and what does that have to do with JS ?

more resources

• basics of DOM manipulation in Vanilaa JS
• min projects built with html5, css, vanilla js
• State of JS 2019

aside

• single div Sierpinski triangle | HN discussion