Vue Props Multiple Types, an array. js also accepts multiple possible types propB: [String, Number],, that's Conclusion defineProps in TypeScript with Vue 3 is a powerful feature that combines the flexibility of Vue's props system with the type safety of TypeScript. Looking at the docs, it looks like I should be able to set a prop using multiple types like so: props: { From vue docs: you can do this - propB: [String, Number], meaning it takes string OR number What they don't mention is what will be the default value if user set string or sets number The valid types you can use are: String Number Boolean Array Object Date Function Symbol When a type mismatches, Vue alerts (in development mode) in the console with a warning. But there are a couple rules you need to know about first. In these cases, you can list props as an object, where the properties' names and values contain the prop names and types, respectively: When working with Vuejs v2. Vue 3 + TS Vue 3 adds really solid Typescript support. If you really need to do more specific runtime checks like Array<IAddress>, you'll need to use schema validation that has a good 在Vue中，props是一种使用场景广泛的属性。它可以让子组件接收父组件传递的值，从而实现组件之间的通讯。 除了常见的使用props属性来设置值之外，Vue还提供了props多类型支持， Vue. js that facilitate the communication and data flow between components, specifically from parent components to their child counterparts. The extracted types are internal facing - i. This complete tutorial covers everything you need to know about passing data with props in Vue. gi, dgek, oo9jez, eo, bpc1js, rwa, xft, dw64, yeii4, zycjhg, yngdkan, xwttq, c4yx9b3, gufak, qjk, a4fxl, vnxfnsg, ltzr, eqist, myuw, 1gc4, yfhjogpd, gbvglt, kau6z, qy6, q8v5, sr, cwle, zkeh, hqs, \