After binding https://github.com/jackmoore/autosize to textareas within a v-for loop, I've noticed an unexpected data persistence issue while expanding the array linked to that list:
While inputs on the left side move downward as intended, new textareas on the right side retain the value of the previous textarea!
View code here: https://jsfiddle.net/adrienjoly/Lb3yqdso/6/
Any suggestions on how to resolve this mapping/binding problem?
A helpful response was provided by nachocab:
Ensure that you include the key attribute to prevent Vue from re-using existing DOM elements, which can cause unexpected behavior.
Success story: Check out this working example 🤓
<p v-for="input, i in inputs">
<autosizing-textarea :key="input.key" :value="input.text"></autosizing-textarea>
</p>
new Vue({
el: '#demo',
data: { inputs: [{ key:0 }] },
methods: {
add: function() {
this.inputs.unshift({ key: this.inputs.length });
},
},
})
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