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<!DOCTYPE html> <html> <body> <h2>JavaScript 字符串</h2> <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 \\ 称为反斜杠。"; document.getElementById("demo").innerHTML = x; </script> </body> </html>