In the example below, the entry field for a country is supported by an auto-suggest list that shows the list of countries that start with the current value of the field.
Unlike a drop-down selection which has to contain a fixed set of data and which, if triggered by a keypress event, would slow down typing in the field, the population of the auto-suggest can be handled by an asynchronous thread in the client p-step and hence the data could be retrieved from a much larger dataset (for example from a database table via a server or web service) without affecting the user's ability to continue to type in the desired value.
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