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<!DOCTYPE html> <html> <body> <h1>JavaScript 赋值</h1> <h2>位与赋值</h2> <h3>&= 运算符</h3> <p id="demo"></p> <script> let x = 100; x &= 5; document.getElementById("demo").innerHTML = "x 的值是：" + x; </script> </body> </html>