代码示例:(标识:eg_js_string_escape_backslash)
<!DOCTYPE html>
<html>
<body>

<h1>JavaScript 字符串</h1>

<p>转义序列 \\ 在字符串中插入反斜杠。</p>

<p id="demo"></p>

<script>

var x = "字符 \\ 被称为反斜杠。";
document.getElementById("demo").innerHTML = x; 

</script>

</body>
</html>
运行结果: