Data not capturing correctly

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0

I have tried the below DEMO to set value for checkboxes as "0" or "1" based on selection of checboxes. The below code is working for one checkbox but If I create multiple checkboxes, it is not working for new ones. How to make it work for all checkboxes.

HTML:
<input type="checkbox" value="1" />Checkbox
<br/>
<br/>
<span id="result"></span>

JS:
window.onload = function () {
var input = document.querySelector('input[type=checkbox]');

function check() {
    if (input.checked) {
        var a = "1";
    } else {
        var a = "0";
    }
    document.getElementById('result').innerHTML = 'result ' + a;
}
input.onchange = check;
check();
}

DEMO

asked 1 min ago

anandbooklet S

1

Data not capturing correctly