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<html><body><h2>Use select() to select the content of a Week Field</h2>Week: <input type="week" id="myWeek" value="2014-W15"><p>Click the button to select the content of the week field.</p><button type="button" onclick="myFunction()">Try it</button><script>function myFunction() { document.getElementById("myWeek").select();}</script></body></html>