This is a rich text editor built with vanilla JavaScript, HTML, and CSS. It features a variety of text formatting options, including bold, italic, underline, strikethrough, superscript, subscript, ordered and unordered lists, text alignment, indentation, font color, background color, and the ability to insert links and images. The editor also includes a spell checker and undo/redo functionality.

• Bold, italic, underline, strikethrough, superscript, subscript: These options allow you to format text in a variety of ways. To use them, simply select the text you want to format and then click the corresponding button in the toolbar.
• Ordered and unordered lists: These options allow you to create lists of items. To create an ordered list, select the text you want to include in the list and then click the "Ordered List" button. To create an unordered list, select the text you want to include in the list and then click the "Unordered List" button.
• Text alignment: These options allow you to align text to the left, center, right, or justify. To align text, select the text you want to align and then click the corresponding button in the toolbar.
• Indentation: These options allow you to indent or outdent text. To indent text, select the text you want to indent and then click the "Indent" button. To outdent text, select the text you want to outdent and then click the "Outdent" button.
• Font color and background color: These options allow you to change the color of the text or the background color of the text. To change the font color, select the text you want to change the color of and then click the "Font Color" button. To change the background color, select the text you want to change the background color of and then click the "Background Color" button.
• Spell checker: The spell checker can be toggled on or off by clicking the "Spell Check" button. When the spell checker is on, any misspelled words will be underlined with a red squiggly line.
• Undo/redo: These options allow you to undo or redo the last action you performed. To undo an action, click the "Undo" button. To redo an action, click the "Redo" button.

To use the text editor, simply open the editor.html file in a web