JavaScript 变量 谁借莪１个温暖的怀抱￠ 2022-01-13 23:55 183阅读 0赞 [2019独角兽企业重金招聘Python工程师标准>>> ][2019_Python_] ![hot3.png][] [声明一个变量，为它赋值，然后显示出来][Link 1] <html> <body> <script type="text/javascript"> var firstname; firstname="George"; document.write(firstname); document.write("<br />"); firstname="John"; document.write(firstname); </script> <p>上面的脚本声明了一个变量，为其赋值，显示该值，改变该值，然后再显示该值。</p> </body> </html> 转载于:https://my.oschina.net/u/2552902/blog/543935 [2019_Python_]: https://my.oschina.net/u/2663968/blog/3061697 [hot3.png]: /images/20220113/3f56694ac2a249c1ac92165a51ce328c.png [Link 1]: http://blog.csdn.net/kuangfengbuyi/article/details/7839657
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