<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Title</title>
</head>
<body>
<input id="inputPhone" value="+7(___)___-__-__" >
<script>
let inputPhone=document.getElementById("inputPhone");
inputPhone.oninput=()=>phoneMask(inputPhone)
function phoneMask(inputEl) {
let patStringArr = "+7(___)___-__-__".split('');
let arrPush = [3, 4, 5, 7, 8, 9, 11, 12, 14, 15]
let val = inputEl.value;
let arr = val.replace(/\D+/g, "").split('').splice(1);
let n;
let ni;
arr.forEach((s, i) => {
n = arrPush[i];
patStringArr[n] = s
ni = i
});
arr.length < 10 ? inputEl.style.color = 'red' : inputEl.style.color = 'green';
inputEl.value = patStringArr.join('');
n ? inputEl.setSelectionRange(n + 1, n + 1) : inputEl.setSelectionRange(17, 17)
}
</script>
</body>
</html>
const arr = [{a:5},{d:6},{g:0},{b:3},{c:1}];
let max = null;
let result;
for (const currentObj of arr) {
const currentValue = currentObj[Object.keys(currentObj)[0]];
const currentKey = Object.keys(currentObj)[0];
if (max < currentObj[currentKey] || max === null) {
max = currentValue;
result = currentKey;
}
}
console.log(result);
let max = arr[0]
arr.slice(1).forEach(function(elem) {if(Object.values(max)[0]<Object.values(elem)[0]) {max = elem}});
const arr = [{a:5},{b:3},{c:1},{d:6}];
let vals = arr.map(v=>Object.values(v)[0]);
let key = Object.keys(arr[vals.indexOf(Math.max(...vals))])[0];
console.log(key)
const maxKey = arr.reduce((a,c,v)=>(v=Object.values(c)[0],v<a.v?a:{k:Object.keys(c)[0],v:v}),{k:0,v:-Infinity}).k;
const maxElem = arr.reduce((a,c,v)=>(v=Object.values(c),v<a.v?a:{k:c,v:v}),{k:0,v:0}).k;
if(res.includes(array[i]) ) return res.push(array[i])
const arr = [1,2,3,4,5,6]
let num = 10
let index = 3
while ( num > 0 ) {
if ( !arr[index] ) {
index = 0
}
arr[index] += 1
index++
num--
}
console.log( arr )