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3. Entry and Navigation > 20. Help Users Enter Additional Text

Help Users Enter Additional Text

Place the insertion point at the end of the text in a text box so that additional entries land just where they should.

This technique makes so much sense, and yet it is often overlooked. Have you ever noticed that when you’re editing data in a form, and you tab into a text box, the entire text is selected? Unfortunately, this default behavior makes the data vulnerable to accidental overwriting. Figure 3-6 shows the address text box fully selected. Assuming an edit is needed to add additional text (not to replace the text), the user must move his mouse to the end of the text and then click to deselect it.

Automatically selected data, vulnerable to an accidental delete or overwrite
Figure 3-6. Automatically selected data, vulnerable to an accidental delete or overwrite

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