<html lang="en"> <head> <meta charset="UTF-8"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <title>Document</title> </head> <body> <script> var num1,num2,temp; num1=2; num2=1; temp=num1; num1=num2; num2=temp; // 相当于把两个赋值互换了一下 console.log(num1);//1 console.log(num2);//2 </script> </body> </html>
01.两个赋值互换
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转载自www.cnblogs.com/fhtax/p/12450684.html
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