All drawing is done using the methods of a CanvasRenderingContext2D object.
Common features of the text editors are implemented:
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Cursor movement using arrow keys and mouse.
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Copy and paste text.
When text is pasted, text editor window is automatically scrolled to make the cursor visible.
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Text selection using mouse.
Text selection can be deleted or replaced with some other text.
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Text deletion using Delete and Backspace keys.
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Vertical and horizontal scrollbars.
Clone the repository and open index.html in your browser. Try to type some text in the editor window.
