代码示例:(标识:eg_js_string_quotes_mixed)
<!DOCTYPE html>
<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>
运行结果: