SOURCE

console 命令行工具 X clear

                    
>
console
var getIntArr = function(B){
    for(let j = 0; j < B.length; j++){
        B[j] = parseInt(B[j]);
    }
    return B;
}

//主要算法
var prefixesDivBy5 = function(A) {
    var res = [], num = 0;
    for(let i = 0; i < A.length; i++){
        num = ((num << 1)+A[i])%5;
        res.push(num === 0);
    }
    return res;
};


const numberInput = document.querySelector('.input');

const button = document.querySelector('.submit');
const getArr = document.querySelector('.getArr');

button.addEventListener('click',function(){
    if(numberInput.value === ''){
        console.log(false);
    }else{
        getArr.innerHTML=`${prefixesDivBy5(getIntArr(numberInput.value.split(',')))}`;
    }
})




<div>
	<input class="input" type="text">
    <button class="submit">提交</button>
    <div class="getArr"></div>
</div>
input {
    margin: 200px 0 200px 200px;
    width: 200px;
    height: 30px;
    border-radius: 12px; 
    border: 1px solid grey;
}

button {
    width: 50px;
    height: 30px;
    border-radius: 8px;
    border: 1px solid red;
}

.getArr{
    width: 100%;
    height: 50px;
    text-align: center;
    line-height: 50px;
    border: 1px dotted #dc7646;
}