i/java.base/java/lang/String.html?is-external=true" title="class or interface in java.lang" class="externalLink">String</a>&nbsp;delay)</pre>
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 If less than <em>delay</em> milliseconds elapses between calls to <em>request()</em> only the most recent one is sent
 and all other requests are discarded. The default value of this option is 300. If the value of <em>delay</em> is the
 literal string <code>'none'</code> without the quotes, no delay is used.
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