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JavaScript ECMAScript 5 教程
tryjs_es5_date_now
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<!DOCTYPE html> <html> <body> <h2>JavaScript Date.now()</h2> <p>Date.now() is new in ECMAScript 5 (2009):</p> <p id="demo1"></p> <p id="demo2"></p> <script> document.getElementById("demo1").innerHTML = Date.now(); var d = new Date(); document.getElementById("demo2").innerHTML = d.getTime(); </script> </body> </html>