how to separate numbers in javascript
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const inpNumber = document.getElementById("my-decimal-number"); | |
inpNumber.addEventListener("keyup", handlerSeparateNumbers) | |
// functions | |
function funcReverseString(str) { | |
return str.split('').reverse().join(''); | |
} | |
// event handlers | |
function handlerSeparateNumbers(e) { | |
const thisElement = e.target; | |
let thisElementValue = thisElement.value; | |
thisElementValue = thisElementValue.replace(/,/g, ""); | |
if (isNaN(Number(thisElementValue))) { | |
alert("لطفا از وارد کردن حروف خودداری فرمایید !") | |
return false; | |
} | |
let seperatedNumber = thisElementValue.toString(); | |
seperatedNumber = funcReverseString(seperatedNumber); | |
seperatedNumber = seperatedNumber.split(""); | |
let tmpSeperatedNumber = ""; | |
j = 0; | |
for (let i = 0; i < seperatedNumber.length; i++) { | |
tmpSeperatedNumber += seperatedNumber[i]; | |
j++; | |
if (j == 3) { | |
tmpSeperatedNumber += ","; | |
j = 0; | |
} | |
} | |
seperatedNumber = funcReverseString(tmpSeperatedNumber); | |
if(seperatedNumber[0] === ",") seperatedNumber = seperatedNumber.replace("," , ""); | |
thisElement.value = seperatedNumber; | |
} |
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