on enter to tab javascript
function return2tab (div)
{
document.addEventListener('keydown', function (ev) {
if (ev.key === "Enter" && ev.target.nodeName === 'INPUT') {
var focusableElementsString = 'a[href], area[href], input:not([disabled]), select:not([disabled]), textarea:not([disabled]), button:not([disabled]), iframe, object, embed, [tabindex="0"], [contenteditable]';
let ol= div.querySelectorAll(focusableElementsString);
for (let i=0; i<ol.length; i++) {
if (ol[i] === ev.target) {
let o= i<ol.length-1? ol[i+1]: o[0];
o.focus(); break;
}
}
ev.preventDefault();
}
});
}