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<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title>电脑学习网教程(runoob.com)</title> </head> <body> <p>本例调用的函数会执行一个计算,然后返回结果:</p> <p id="demo"></p> <script> function myFunction(a,b){ return a*b; } document.getElementById("demo").innerHTML=myFunction(4,3); </script> </body> </html>
运行结果