Ajout de la durée d'emploi en javascript

_javascript/main.js

@@ -0,0 +1,25 @@
+function datediff(first, second) {
+    // Take the difference between the dates and divide by milliseconds per day.
+    // Round to nearest whole number to deal with DST.
+    return Math.round((second-first)/(1000*60*60*24));
+}
+
+function displayLenghtTimeCurrentEmployer() {
+    // date début
+    var firstDay = new Date(2016,6,1);
+
+
+    var dateCurrentEmployeur = document.getElementById("dateCurrentEmployeur");
+    var today = Date();
+
+    var numberOfDays = datediff(new Date(firstDay), new Date(today));
+    var numberOfYearsTmp = numberOfDays / 365;
+    var numberOfYears = Math.trunc(numberOfYearsTmp);
+    var numberOfMonths = Math.trunc(numberOfYearsTmp.toString().split(".")[1] / 1000000000000000 * 12);
+
+    var numberOfMonthsText = numberOfMonths != 0 ? " et " + numberOfMonths + " mois" : "";
+
+    dateCurrentEmployeur.innerHTML = "Depuis " + numberOfYears + " ans" + numberOfMonthsText + ".";
+}
+
+displayLenghtTimeCurrentEmployer();