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源代码：
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<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title>安科教程(www.ancii.com)</title> </head> <body> <p>x 赋值为5 , 显示比较后的值 (x !== "5"):</p> <button onclick="myFunction()">点我</button> <p id="demo"></p> <script> function myFunction() { var x = 5; document.getElementById("demo").innerHTML = (x !== "5"); } </script> </body> </html>
运行结果
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