Change value of {{ vari }} on Vue
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im just starting on vue js and ive been struggling for hours to do very simple things like change the value of {{vari}} using JS on the mounted function. Can somebody provide me an answer? I want the paragraph to display a different message from teste when it enters the mounted() function
<template>
<div class="teste">
<p>{{vari}}</p>
</div>
export default {
name: 'Schedual',
data: function() {
return {
vari: "teste",
}
},
mounted () {
//change value of {{vari}}
}
}
EDIT: thanks. why doesnt it work when i try to change it inside a function ?
mounted () {
atualiza();
function atualiza(){
this.vari = String("bla");
}
}
vue.js
asked Nov 23 '18 at 19:52
John DoeJohn Doe
144
add a comment |
im just starting on vue js and ive been struggling for hours to do very simple things like change the value of {{vari}} using JS on the mounted function. Can somebody provide me an answer? I want the paragraph to display a different message from teste when it enters the mounted() function
<template>
<div class="teste">
<p>{{vari}}</p>
</div>
export default {
name: 'Schedual',
data: function() {
return {
vari: "teste",
}
},
mounted () {
//change value of {{vari}}
}
}
EDIT: thanks. why doesnt it work when i try to change it inside a function ?
mounted () {
atualiza();
function atualiza(){
this.vari = String("bla");
}
}
vue.js
asked Nov 23 '18 at 19:52
John DoeJohn Doe
144
add a comment |
im just starting on vue js and ive been struggling for hours to do very simple things like change the value of {{vari}} using JS on the mounted function. Can somebody provide me an answer? I want the paragraph to display a different message from teste when it enters the mounted() function
<template>
<div class="teste">
<p>{{vari}}</p>
</div>
export default {
name: 'Schedual',
data: function() {
return {
vari: "teste",
}
},
mounted () {
//change value of {{vari}}
}
}
EDIT: thanks. why doesnt it work when i try to change it inside a function ?
mounted () {
atualiza();
function atualiza(){
this.vari = String("bla");
}
}
vue.js
asked Nov 23 '18 at 19:52
John DoeJohn Doe
144
im just starting on vue js and ive been struggling for hours to do very simple things like change the value of {{vari}} using JS on the mounted function. Can somebody provide me an answer? I want the paragraph to display a different message from teste when it enters the mounted() function
<template>
<div class="teste">
<p>{{vari}}</p>
</div>
export default {
name: 'Schedual',
data: function() {
return {
vari: "teste",
}
},
mounted () {
//change value of {{vari}}
}
}
EDIT: thanks. why doesnt it work when i try to change it inside a function ?
mounted () {
atualiza();
function atualiza(){
this.vari = String("bla");
}
}
vue.js
vue.js
asked Nov 23 '18 at 19:52
John DoeJohn Doe
144
asked Nov 23 '18 at 19:52
John DoeJohn Doe
144
edited Nov 23 '18 at 20:12
John Doe
asked Nov 23 '18 at 19:52
John DoeJohn Doe
144
asked Nov 23 '18 at 19:52
John DoeJohn Doe
144
asked Nov 23 '18 at 19:52
John DoeJohn Doe
144
144
add a comment |
add a comment |
1 Answer
1
active
oldest
votes
<template>
<div class="teste">
<p>{{ vari }}</p>
</div>
</template>
export default {
name: 'Schedual',
data: function () {
return {
vari: 'teste'
}
},
mounted () {
this.vari = 'other value'
}
}
This:
mounted () {
function actualiza () {
this.vari = 'bla'
}
actualiza()
}
will not work, because actualiza() function will create own scope, own "this" object. You have two options. First, save "this" object to variable and use saved "this":
mounted () {
let self = this
function actualiza () {
self.vari = 'bla'
}
actualiza()
}
Second option, more common, is to use arrow function, instead of ordinary function, as these arrow functions doesn't have own "this" object:
mounted () {
const actualiza = () => {
this.vari = 'bla'
}
actualiza()
}
This will work also, but... Try to not create functions in functions. Create all functions as methods of Vue component. It will improve your code readability and you will have no more problems with context:
<template>
<div class="teste">
<p>{{ vari }}</p>
</div>
</template>
export default {
name: 'Schedual',
data: function () {
return {
vari: 'teste'
}
},
methods: {
actualiza () {
this.vari = 'bla'
}
},
mounted () {
this.actualiza()
}
}
answered Nov 23 '18 at 20:01
Vladislav LadickyVladislav Ladicky
58916
anyone knows why if i change the value inside a function it doesnt work anymore ?
– John Doe
Nov 23 '18 at 20:11
@John Doe I updated my answer.
– Vladislav Ladicky
Nov 23 '18 at 22:39
add a comment |
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1 Answer
1
active
oldest
votes
1 Answer
1
active
oldest
votes
active
oldest
votes
active
oldest
votes
<template>
<div class="teste">
<p>{{ vari }}</p>
</div>
</template>
export default {
name: 'Schedual',
data: function () {
return {
vari: 'teste'
}
},
mounted () {
this.vari = 'other value'
}
}
This:
mounted () {
function actualiza () {
this.vari = 'bla'
}
actualiza()
}
will not work, because actualiza() function will create own scope, own "this" object. You have two options. First, save "this" object to variable and use saved "this":
mounted () {
let self = this
function actualiza () {
self.vari = 'bla'
}
actualiza()
}
Second option, more common, is to use arrow function, instead of ordinary function, as these arrow functions doesn't have own "this" object:
mounted () {
const actualiza = () => {
this.vari = 'bla'
}
actualiza()
}
This will work also, but... Try to not create functions in functions. Create all functions as methods of Vue component. It will improve your code readability and you will have no more problems with context:
<template>
<div class="teste">
<p>{{ vari }}</p>
</div>
</template>
export default {
name: 'Schedual',
data: function () {
return {
vari: 'teste'
}
},
methods: {
actualiza () {
this.vari = 'bla'
}
},
mounted () {
this.actualiza()
}
}
answered Nov 23 '18 at 20:01
Vladislav LadickyVladislav Ladicky
58916
anyone knows why if i change the value inside a function it doesnt work anymore ?
– John Doe
Nov 23 '18 at 20:11
@John Doe I updated my answer.
– Vladislav Ladicky
Nov 23 '18 at 22:39
add a comment |
<template>
<div class="teste">
<p>{{ vari }}</p>
</div>
</template>
export default {
name: 'Schedual',
data: function () {
return {
vari: 'teste'
}
},
mounted () {
this.vari = 'other value'
}
}
This:
mounted () {
function actualiza () {
this.vari = 'bla'
}
actualiza()
}
will not work, because actualiza() function will create own scope, own "this" object. You have two options. First, save "this" object to variable and use saved "this":
mounted () {
let self = this
function actualiza () {
self.vari = 'bla'
}
actualiza()
}
Second option, more common, is to use arrow function, instead of ordinary function, as these arrow functions doesn't have own "this" object:
mounted () {
const actualiza = () => {
this.vari = 'bla'
}
actualiza()
}
This will work also, but... Try to not create functions in functions. Create all functions as methods of Vue component. It will improve your code readability and you will have no more problems with context:
<template>
<div class="teste">
<p>{{ vari }}</p>
</div>
</template>
export default {
name: 'Schedual',
data: function () {
return {
vari: 'teste'
}
},
methods: {
actualiza () {
this.vari = 'bla'
}
},
mounted () {
this.actualiza()
}
}
answered Nov 23 '18 at 20:01
Vladislav LadickyVladislav Ladicky
58916
anyone knows why if i change the value inside a function it doesnt work anymore ?
– John Doe
Nov 23 '18 at 20:11
@John Doe I updated my answer.
– Vladislav Ladicky
Nov 23 '18 at 22:39
add a comment |
<template>
<div class="teste">
<p>{{ vari }}</p>
</div>
</template>
export default {
name: 'Schedual',
data: function () {
return {
vari: 'teste'
}
},
mounted () {
this.vari = 'other value'
}
}
This:
mounted () {
function actualiza () {
this.vari = 'bla'
}
actualiza()
}
will not work, because actualiza() function will create own scope, own "this" object. You have two options. First, save "this" object to variable and use saved "this":
mounted () {
let self = this
function actualiza () {
self.vari = 'bla'
}
actualiza()
}
Second option, more common, is to use arrow function, instead of ordinary function, as these arrow functions doesn't have own "this" object:
mounted () {
const actualiza = () => {
this.vari = 'bla'
}
actualiza()
}
This will work also, but... Try to not create functions in functions. Create all functions as methods of Vue component. It will improve your code readability and you will have no more problems with context:
<template>
<div class="teste">
<p>{{ vari }}</p>
</div>
</template>
export default {
name: 'Schedual',
data: function () {
return {
vari: 'teste'
}
},
methods: {
actualiza () {
this.vari = 'bla'
}
},
mounted () {
this.actualiza()
}
}
answered Nov 23 '18 at 20:01
Vladislav LadickyVladislav Ladicky
58916
<template>
<div class="teste">
<p>{{ vari }}</p>
</div>
</template>
export default {
name: 'Schedual',
data: function () {
return {
vari: 'teste'
}
},
mounted () {
this.vari = 'other value'
}
}
This:
mounted () {
function actualiza () {
this.vari = 'bla'
}
actualiza()
}
will not work, because actualiza() function will create own scope, own "this" object. You have two options. First, save "this" object to variable and use saved "this":
mounted () {
let self = this
function actualiza () {
self.vari = 'bla'
}
actualiza()
}
Second option, more common, is to use arrow function, instead of ordinary function, as these arrow functions doesn't have own "this" object:
mounted () {
const actualiza = () => {
this.vari = 'bla'
}
actualiza()
}
This will work also, but... Try to not create functions in functions. Create all functions as methods of Vue component. It will improve your code readability and you will have no more problems with context:
<template>
<div class="teste">
<p>{{ vari }}</p>
</div>
</template>
export default {
name: 'Schedual',
data: function () {
return {
vari: 'teste'
}
},
methods: {
actualiza () {
this.vari = 'bla'
}
},
mounted () {
this.actualiza()
}
}
answered Nov 23 '18 at 20:01
Vladislav LadickyVladislav Ladicky
58916
edited Nov 23 '18 at 22:37
answered Nov 23 '18 at 20:01
Vladislav LadickyVladislav Ladicky
58916
answered Nov 23 '18 at 20:01
Vladislav LadickyVladislav Ladicky
58916
answered Nov 23 '18 at 20:01
Vladislav LadickyVladislav Ladicky
58916
58916
anyone knows why if i change the value inside a function it doesnt work anymore ?
– John Doe
Nov 23 '18 at 20:11
@John Doe I updated my answer.
– Vladislav Ladicky
Nov 23 '18 at 22:39
add a comment |
anyone knows why if i change the value inside a function it doesnt work anymore ?
– John Doe
Nov 23 '18 at 20:11
@John Doe I updated my answer.
– Vladislav Ladicky
Nov 23 '18 at 22:39
anyone knows why if i change the value inside a function it doesnt work anymore ?
– John Doe
Nov 23 '18 at 20:11
anyone knows why if i change the value inside a function it doesnt work anymore ?
– John Doe
Nov 23 '18 at 20:11
@John Doe I updated my answer.
– Vladislav Ladicky
Nov 23 '18 at 22:39
@John Doe I updated my answer.
– Vladislav Ladicky
Nov 23 '18 at 22:39
add a comment |
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