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未指定类型和指定为any的不太一样 #74

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未指定类型和指定为any的不太一样 #74

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wangchengcheer
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如果未指定类型

let something;

something = 'seven';
something = 7;

something.setName('Tom');//错误，提示Property 'setName' does not exist on type 'number'.ts(2339)

如果指定了类型为any

let something :any;

something = 'seven';
something = 7;

something.setName('Tom');//正确

@xcatliu
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xcatliu commented Sep 2, 2019

你是不是配置了 noImplicitAny？我是按照没有配置这个参数约定的

@xcatliu xcatliu closed this Sep 2, 2019
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@wangchengcheer @xcatliu