In VueJS I am using textarea to get input from the user and also use another textarea to show output.
Here, everything is working except I am getting multiple outputs with textarea like this.
I am using v-for in textarea as the code is perfectly working if I use inside ordered/unordered list.
Image: Multiple Textarea box while output
Code
var app = new Vue({
el: '#app',
data: {
address: '',
},
methods: {
},
computed: {
domainlist() {
return this.address.split('\n')
}
}
})<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>.com.np Cover Letter Generator</title>
<link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/[email protected]/css/bulma.min.css">
</head>
<body>
<div id="app">
<section >
<div >
<div >
<div >
<div >
<form>
<div >
<label >Domain Name</label>
<div >
<textarea placeholder="Ex: www.abc.com.np " v-model="address " required="required"></textarea>
</div>
</div>
</form>
</div>
</div>
<div >
<div >
<div >
<label >Output</label>
<div >
<textarea placeholder="Result" v-for="address in domainlist" readonly>domain:{{address}}
</textarea>
</div>
</div>
<div >
<div >
<button >Copy</button>
<button >Download</button>
</div>
</div>
</div>
</div>
</div>
</div>
</section>
</div>
<script src="https://cdn.jsdelivr.net/npm/vue@2"></script>
</body>
</html>CodePudding user response：
with the v-for Vue will duplicate the element for any array item.
I suggest to generate the textarea content directly in the computed property.
Here below a working example.
var app = new Vue({
el: '#app',
data: {
address: '',
},
methods: {
},
computed: {
domainlist() {
var addreses = this.address.split('\n');
var ret = "";
for(var addr in addreses) {
ret = addreses[addr] ? 'domain: ' addreses[addr] "\n":"";
}
return ret;
}
}
})<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>.com.np Cover Letter Generator</title>
<link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/[email protected]/css/bulma.min.css">
</head>
<body>
<div id="app">
<section >
<div >
<div >
<div >
<div >
<form>
<div >
<label >Domain Name</label>
<div >
<textarea placeholder="Ex: www.abc.com.np " v-model="address " required="required"></textarea>
</div>
</div>
</form>
</div>
</div>
<div >
<div >
<div >
<label >Output</label>
<div >
<textarea placeholder="Result" readonly>{{domainlist}}
</textarea>
</div>
</div>
<div >
<div >
<button >Copy</button>
<button >Download</button>
</div>
</div>
</div>
</div>
</div>
</div>
</section>
</div>
<script src="https://cdn.jsdelivr.net/npm/vue@2"></script>
</body>
</html>CodePudding user response：
Replace
return this.address.split('\n')
With
return this.address.split('.') // so that a.b.c becomes ['a','b','c']
You can also move the v-for out of the textarea to the <div ></div>
<div v-for="address in domainlist">
<textarea placeholder="Result" readonly>domain:{{address}}
</textarea>
</div>
var app = new Vue({
el: '#app',
data: {
address: '',
},
methods: {
},
computed: {
domainlist() {
return this.address.split('.')
}
}
})<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>.com.np Cover Letter Generator</title>
<link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/[email protected]/css/bulma.min.css">
</head>
<body>
<div id="app">
<section >
<div >
<div >
<div >
<div >
<form>
<div >
<label >Domain Name</label>
<div >
<textarea placeholder="Ex: www.abc.com.np " v-model="address " required="required"></textarea>
</div>
</div>
</form>
</div>
</div>
<div >
<div >
<div >
<label >Output</label>
<div v-for="address in domainlist">
<textarea placeholder="Result" readonly>domain:{{address}}
</textarea>
</div>
</div>
<div >
<div >
<button >Copy</button>
<button >Download</button>
</div>
</div>
</div>
</div>
</div>
</div>
</section>
</div>
<script src="https://cdn.jsdelivr.net/npm/vue@2"></script>
</body>
</html>