Answer : Most probably you want to use a method <span>{{ fullName('Hi') }}</span> methods: { fullName(salut) { return `${salut} ${this.firstName} ${this.lastName}` } } Longer explanation Technically you can use a computed property with a parameter like this: computed: { fullName() { return salut => `${salut} ${this.firstName} ${this.lastName}` } } (Thanks Unirgy for the base code for this.) The difference between a computed property and a method is that computed properties are cached and change only when their dependencies change. A method will evaluate every time it's called . If you need parameters, there are usually no benefits of using a computed property function over a method in such a case. Though it allows you to have a parametrized getter function bound to the Vue instance, you lose caching so not really any gain there, in fact, you may break reactivity (AFAIU). You can read more about this in Vue documentation htt...
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