element input number e
<el-input @keydown.native="keydown" style="width:70%; margin: 10px 20px" type="number" clearable v-model="number"></el-input> // methods keydown(e) { let key = e.key; let arr = ["e", "+", "-"]; if (arr.includes(key)) { e.returnValue = false; return false; } return true; },