The input input box is limited to only enter two decimal places of 0-1

<input
    type="number"
    min="0"
    max="1"
    step="0.01"
    @input="change"
    v-model="discount"
    autocomplete="off"
    placeholder="限制輸入0-1的两位小数"
/>
        
change() {
    
    
        if (date.discount > 1) {
    
    
          date.discount = 1;
        } else if (date.discount < 0) {
    
    
          date.discount = 0;
        } else if (
          date.discount.toString().split(".")[1] &&
          date.discount.toString().split(".")[1].length > 2
        ) {
    
    
          date.discount = Number(date.discount).toFixed(2);
        }
        date.discount = date.discount.toString().replace(/^0+\./g, "0."); //把小数0开头的多余0去掉
},