接口返回的&&&START&&&是干啥的

[Aphsss]

搜到的小米的文档 https://dev.mi.com/docs/passport/authorization-code/

返回的 JSON 为

&&&START&&&{
"error": "error_code",
"error_description": "错误描述"
}

不明白为啥要加上 &&&START&&&

搜到了 https://stackoverflow.com/questions/16132245/emulate-gmail-request-using-curl 也没能弄明白

[Makoto]

javascript.askforanswer.com/weishenmegooglehuiyouxianshiyongwhile1-tamendejsonxiangying.html
搜到了一个这个，但是原文我没找到

[Makoto]

找到原文了
stackoverflow.com/questions/2669690/why-does-google-prepend-while1-to-their-json-responses