jQuery 2.0 Development Cookbook

Enabling and disabling buttons by changing their properties

The ability to dynamically enable and disable buttons is particularly useful for situations such as saving data to a web server. In order to prevent a user from making multiple save requests while the request is being made and the client is waiting for a response, you can dynamically disable the save button. Once the client has received a response from the web server, you can re-enable the save button.

This functionality can also be very effective in simple situations, such as enabling the search button when the user has inputted a search term. This makes it clear to the user that they cannot search unless a term has been entered.

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