to put dash between two even numbers in number
function insertHyphen(str) {
var strArr = str.split('');
var numArr = strArr.map(Number);
for(var i = 0; i < numArr.length; i++) {
if(numArr[i-1]%2===0 && numArr[i]%2===0) {
numArr.push('-');
}
}
return numArr.join('');
}
insertHyphen('112233445566'); // 112233445566---to put dash between two even numbers in number
function insertHyphen(str) {
var strArr = str.split('');
var numArr = strArr.map(Number);
for(var i = 0; i < numArr.length; i++) {
if(numArr[i-1]%2===0 && numArr[i]%2===0) {
numArr.push('-');
}
}
return numArr.join('');
}
insertHyphen('112233445566'); // 112233445566---Copyright © 2021 Codeinu
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