后端如何判断是否是instantclick？

可以判断请求头，instantclick请求头如下

X-Requested-With：instantclick

InstantClick函数名首字母大小写均支持

instantClick，InstantClick都行

其他跟进式修补内容

https://github.com/dieulot/instantclick/pull/135
https://github.com/dieulot/instantclick/pull/114
https://github.com/dieulot/instantclick/commit/ab6952f7e1e1cb368e8237c0b52dee88c0974344
https://github.com/dieulot/instantclick/commit/837a6e3dea3f950a50916300f085f9687a861cd8
https://github.com/dieulot/instantclick/commit/58984345a09fda8e3e7efb04237ac8715c59769a
https://github.com/dieulot/instantclick/commit/f8556ba70178305b6427c2993273034355563a74
https://github.com/dieulot/instantclick/commit/bcdb174d882b34a8480a41fa080e39ac6cbc136a
https://github.com/dieulot/instantclick/commit/b64177dc49d35366cc37476d86182d41778dc483
https://github.com/dieulot/instantclick/commit/bc6f9f296ff75ffdb43cdadfac0482c6ed8077d7
https://github.com/dieulot/instantclick/commit/e7a3aaec02d85083538672574120616e162470c8
https://github.com/dieulot/instantclick/commit/4fd43777360772fc92b863734a8dd9edfb25f27b
https://github.com/dieulot/instantclick/commit/02bc87049049b84325eafcf6e9d4fabb4181b7d3
https://github.com/dieulot/instantclick/commit/436d4c9e3087a984bc24a1e7edc25db2ef6d828a
https://github.com/dieulot/instantclick/commit/41985df8ad5fdbbc43671f06aae2eff9b14acbca
https://github.com/dieulot/instantclick/commit/9fb9634c1d400e8b7ce7209c14f870cc0b8ee131
https://github.com/dieulot/instantclick/commit/6d361f72b2547831be86c5a03013b46872d487cf
https://github.com/dieulot/instantclick/commit/94e084c6146823968c66568a3572deffde9fef5d
https://github.com/dieulot/instantclick/commit/456efba619a3a805901ba04cef0e4f5412f1a310
https://github.com/dieulot/instantclick/commit/ee0a8081b58127899b03631b85a5fb9ef99c756e
https://github.com/dieulot/instantclick/commit/222f1fc1052e0d8f8f4715674877aee7ac70592d
https://github.com/dieulot/instantclick/commit/155536fadeea53f09f11109c27774d7635bb5924