Draw a transparent rectangle for an online experiment

[AlexeiLin]

seems like some others also encountered similar issues. this is due to Python>JS translation and the solution is to replace “none” with “null” in your JS file.

'None' keyword in JS instead of 'null'

My experiment has several text components that are initialized as blank and updated by frame. When I run it on Pavlovia, I get the error “ReferenceError: None is not defined” and on looking at the js code I see that the text components are being initialized with a None keyword: DisplayResponseText = new visual.TextStim({ win : psychoJS.window, name : 'DisplayResponseText', text : None, font : 'Arial', pos : [0, 0], height : 0.1, wrapWidth : 1.5, ori: 0, color : new uti…

btw it seems that later version has already fixed this issue

Builder-only experiment throws "ReferenceError: Rect is not defined" on Pavlovia

Tried it again last night with the beta 12 build and this error was fixed!