alpine-js/model.html at master · yanikkumar/alpine-js · GitHub

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<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1" />
    <title>Alpine JS</title>
    <script
      defer
      src="https://cdn.jsdelivr.net/npm/alpinejs@3.x.x/dist/cdn.min.js"
    ></script>
  </head>
  <body>
    <div x-data="{name: ''}">
      <input
        type="text"
        x-model="name"
        placeholder="Type the text & see preview"
      />
      <span x-text="name.length"></span><br />
      <!-- This will show the total length of characters in the input string -->
      <span x-text="name"></span>
      <!-- This will showcase the data which is being input in the textbox -->
    </div>

    <hr />

    <form x-data="{name: ''}" @submit.prevent="console.log(name)">
      <input
        type="text"
        x-model="name"
        placeholder="Type text & check console"
      />
      <button type="submit">Submit</button>
    </form>

    <hr />

    <!-- Two way data binding -->
    <div
      x-data="{name: '', makeNameUpperCase() {this.name=this.name.toUpperCase()}}"
    >
      <input
        type="text"
        x-model="name"
        placeholder="Type text Submit to Uppercase"
      />
      <span x-text="name"></span>
      <button @click="makeNameUpperCase">UpperCase Data</button>
    </div>
  </body>
</html>