(Vue) The input box limits the input to only numbers

<input id="phone" v-model="phone" type="text" :placeholder="i18n.mobileNumber" @keypress="isNumber()"
/>
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methods:

isNumber() {
      let evt = window.event;
      console.log(evt.which)
      var charCode = (evt.which) ? evt.which : evt.keyCode;
      if((charCode > 31 && (charCode < 48 || charCode > 57)) && charCode ! = =46) {
        evt.preventDefault();
      } else {
        return true; }}Copy the code