<html><body><h2>JavaScript 字符串</h2><p>您可以在字符串中使用引号，只要不匹配围绕字符串的引号即可：</p><p id="demo"></p><script>var answer1 = "It's good to see you again!";var answer2 = "He is called 'Bill'";var answer3 = 'He is called "Bill"'; document.getElementById("demo").innerHTML =answer1 + "<br>" + answer2 + "<br>" + answer3; </script></body></html>