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Do nothing widget tutorial

 2nd February 2019 at 2:55pm

In order to define a widget in a tiddler, the tiddler must satisfy these requirements:

  • type field is application/javascript
  • module-type field is widget
  • the text field contains the javascript code

The donothing.js tiddler fulfills the requirements and its code looks like this:


Do nothing widget


/*jslint node: true, browser: true */
/*global $tw: false */
"use strict";

var Widget = require("$:/core/modules/widgets/widget.js").widget;

exports.donothing = Widget;

That code does 2 key things:

Here's what it looks like:

And it worked. No error message this time.

Exercise: Modify donothing.js and Do nothing widget demo so the widget is named noop instead of donothing