How can I use Alpine.js to automatically trim text in an input or textarea?
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1 Answer
This can be done with the x-on directive.
One can use x-on:change to trim leading/trailing spaces after the control loses focus:
<script src="https://cdn.jsdelivr.net/npm/[email protected]/dist/cdn.min.js"></script>
<form x-data="{ value: '' }">
<input type='text'
x-model="value"
x-on:change="value = value.trim()" />
</form>Alternatively, one could use x-on:keyup, for immediate trimming:
<script src="https://cdn.jsdelivr.net/npm/[email protected]/dist/cdn.min.js"></script>
<form x-data="{ value: '' }">
<input type='text'
x-model="value"
x-on:keyup="value = value.trim()" />
</form>But as one can see in the second demo, it isn't as friendly as the first one, and it's hard to add spaces between words.