xxxxxxxxxx<html><head><meta charset="utf-8"><title>W3Cschool教程(w3cschool.cn)</title></head><body><p> String() 方法可以将数字转换为字符串。</p><p id="demo"></p><script>var x = 123;document.getElementById("demo").innerHTML = String(x) + "<br>" + String(123) + "<br>" + String(100 + 23);</script></body></html>