nodejs报错 XMLHttpRequest cannot load localhost:3000/test_date/. Cross origin requests are only supported for protocol schemes: http, data, chrome, chrome-extension, https.

z在请求本地的时候  如果ajax的URL 前面没有http的话 就会报错

jq.js:2 XMLHttpRequest cannot load localhost:3000/test_date/. Cross origin requests are only supported for protocol schemes: http, data, chrome, chrome-extension, https.

　　

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原文地址：https://www.cnblogs.com/wanghaonull/p/6844714.html