1<div id="demo">
2 <input v-model="message" @keypress="isNumber($event)">
3</div>
4
1 <input @keypress="onlyNumber" type="text">
2
3onlyNumber ($event) {
4 //console.log($event.keyCode); //keyCodes value
5 let keyCode = ($event.keyCode ? $event.keyCode : $event.which);
6 if ((keyCode < 48 || keyCode > 57) && keyCode !== 46) { // 46 is dot
7 $event.preventDefault();
8 }
9}
10