我正在尝试编写一个简单的
javascript(well coffeescript)测试,并且有一些令人困惑的事情:
dclib.appendVarToUrl = (base,k,v) -> check base,String console.log("base is a:",typeof(base)) if base.includes("?") ... // called with dclib.appendVarToUrl("some/url","score",5)
给我:
base is a: string TypeError: Object some/url has no method 'includes'
解决方法
啊啊,看起来我的浏览器支持这个作为ES6方法,但我正在使用的节点版本没有.我在服务器上运行单元测试,而方法在客户端运行正常.
https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/includes
This is an experimental technology,part of the ECMAScript 6 (Harmony) proposal.