Yes, there is the HTML5 spellcheck attribute.
<textarea spellcheck="false">
or <input type="text" spellcheck="false">
Update: This is now supported in the latest versions of all browsers.
Yes, there is the HTML5 spellcheck attribute.
<textarea spellcheck="false">
or <input type="text" spellcheck="false">
Update: This is now supported in the latest versions of all browsers.