<!DOCTYPE html> <html> <body> <h1>JavaScript 数字</h1> <h2>parseInt() 方法</h2> <p>Number.parseInt() 将字符串转换为整数:</p> <p id="demo"></p> <script> document.getElementById("demo").innerHTML = Number.parseInt("-10") + "<br>" + Number.parseInt("-10.33") + "<br>" + Number.parseInt("10") + "<br>" + Number.parseInt("10.33") + "<br>" + Number.parseInt("10 6") + "<br>" + Number.parseInt("10 years") + "<br>" + Number.parseInt("years 10"); </script> </body> </html>