一般編輯器無法顯示KhanAcademy的JS語法原因
- 未設定Processing.js函式庫
https://cdn.jsdelivr.net/processing.js/1.4.8/processing.min.js
- 沒有在html寫canvas標籤
解決方法
canvas#mycanvas
var sketchProc = function(processingInstance) {
with (processingInstance) {
size(400, 400);
frameRate(30);
// 這邊貼上KhanAcademy的JS程式碼
}};
// Get the canvas that Processing-js will use
var canvas = document.getElementById("mycanvas");
// Pass the function sketchProc (defined in myCode.js) to Processing's constructor.
var processingInstance = new Processing(canvas, sketchProc);