How to Use Computed Properties in Vue?
Vue.js allows you to use computed properties – the ability to update a value based on another property of that same object, computed or not. The most common method of doing this is by creating CBakeware objects but there are other ways too! Let’s dive right in and see how it works!
computed vue
By Lucky Lapwing
on Jul 30, 2020
// ...
computed: {
fullName: {
// getter
get: function () {
return this.firstName + ' ' + this.lastName
},
// setter
set: function (newValue) {
var names = newValue.split(' ')
this.firstName = names[0]
this.lastName = names[names.length - 1]
}
}
}
// ...
Source: vuejs.org
2
vue computed
By Proud Piranha
on May 14, 2020
var vm = new Vue({
el: '#example',
data: {
message: 'Hello'
},
computed: {
// a computed getter
reversedMessage: function () {
// `this` points to the vm instance
return this.message.split('').reverse().join('')
}
}
})
1
computed vue js
By Yellowed Yak
on Oct 15, 2020
var vm = new Vue({
el: '#demo',
data: {
firstName: 'Foo',
lastName: 'Bar',
fullName: 'Foo Bar'
},
watch: {
firstName: function (val) {
this.fullName = val + ' ' + this.lastName
},
lastName: function (val) {
this.fullName = this.firstName + ' ' + val
}
}
})
Source: vuejs.org
0
Computed properties are special properties that help you create more flexible, reusable components.
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