在对象中，开发人员定义了如下代码常量：
medium: {
fontFamily: 'Roboto, "Helvetica Neue", Helvetica, Arial, sans-serif',
fontWeight: '500' as '500',
},
as关键字在做什么？
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在对象中，开发人员定义了如下代码常量：
medium: {
fontFamily: 'Roboto, "Helvetica Neue", Helvetica, Arial, sans-serif',
fontWeight: '500' as '500',
},
as关键字在做什么？
referring to the answer in this question What does the "as" keyword do?
The
askeyword is a Type Assertion in TypeScript which tells the compiler to consider the object as another type than the type the compiler infers the object to be.