Function to format and display the time from a UNIX timestamp not works in Safari Browser

This javascript code do not work in Safari Browser but works well in other browser.Code returns time or date from timestamp value but not works in safari browser. In safari code returns: aN.aN.aN or aN:aNrelated issue

// Get all elements with class "time" and "date"const timeElements = document.getElementsByClassName("time");const dateElements = document.getElementsByClassName("date");// Function to format and display the time from a UNIX timestampfunction formatTimeElement(element) {  // Extract UNIX timestamp from the element's innerHTML  let unixTimeStamp = element.innerHTML;  // Convert UNIX timestamp to a JavaScript Date object  let dateObject = new Date(unixTimeStamp * 1000);  // Extract hours and minutes, ensuring leading zeros if needed  let hours = "0" + dateObject.getHours();  let minutes = "0" + dateObject.getMinutes();  // Create formatted time string (HH:MM)  let timeElement = hours.substr(-2) +":" + minutes.substr(-2);  // Update the element's content with the formatted time  element.innerHTML = timeElement;}// Function to format and display the date from a UNIX timestampfunction formatDateElement(element) {  // Extract UNIX timestamp from the element's innerHTML  let unixTimeStamp = element.innerHTML;  // Convert UNIX timestamp to a JavaScript Date object  let dateObject = new Date(unixTimeStamp * 1000);  // Extract day, month, and year, ensuring leading zeros if needed  let day = "0" + dateObject.getDate();  let month = "0" + (dateObject.getMonth() + 1);  let year = dateObject.getFullYear().toString();  // Create formatted date string (DD.MM.YY)  let dateElement =    day.substr(-2) +"." + month.substr(-2) +"." + year.slice(-2);  // Update the element's content with the formatted date  element.innerHTML = dateElement;}// Loop through each element with class "time" and format the timefor (element of timeElements) {  formatTimeElement(element);}// Loop through each element with class "date" and format the datefor (element of dateElements) {  formatDateElement(element);}

Safari:Safari

Chrome:Chrome