xxxxxxxxxx<!DOCTYPE html><html><title>JavaScript 单引号和双引号示例 - 基础教程(div.cn)</title><body><p> JavaScript在单引号和双引号之间没有区别：</p><p id="para"></p><script>var msg1 = "Hello world";var msg2 = 'Hello world';document.getElementById("para").innerHTML = msg1 + "<br>" + msg2;</script></body></html>