从多个按钮获取值

<button onclick="getValue(this)">按钮1</button>
<button onclick="getValue(this)">按钮2</button>

<script>
function getValue(button) {
  var value = button.innerText;
  // 进一步处理获取到的值
  console.log(value);
}
</script>

<form onsubmit="getValue(this)">
  <button type="submit" name="button" value="按钮1">按钮1</button>
  <button type="submit" name="button" value="按钮2">按钮2</button>
</form>

<script>
function getValue(form) {
  var buttons = form.elements.button;
  for (var i = 0; i < buttons.length; i++) {
    if (buttons[i].checked) {
      var value = buttons[i].value;
      // 进一步处理获取到的值
      console.log(value);
    }
  }
}
</script>

<div id="app">
  <button v-model="selectedButton" value="按钮1">按钮1</button>
  <button v-model="selectedButton" value="按钮2">按钮2</button>
  <p>选中的按钮值：{{ selectedButton }}</p>
</div>

<script src="https://cdn.jsdelivr.net/npm/vue/dist/vue.js"></script>
<script>
new Vue({
  el: '#app',
  data: {
    selectedButton: ''
  }
})
</script>