<!DOCTYPE html>
<html>
<body>
<h1>JavaScript 字符串</h1>
<p>您可以使用反斜杠在文本字符串中断开代码行。</p>
<p id="demo"></p>
<script>
document.getElementById("demo").innerHTML = "Hello \
Dolly!";
</script>
</body>
</html>