Merge pull request #48 from milind1983/patch-1

abranhe · web-flow · commit c330436f175b · 2020-10-03T01:42:54.000-04:00
Useful function for cookies in JS
diff --git a/dynamic-programming/cookies_function.js b/dynamic-programming/cookies_function.js
@@ -0,0 +1,47 @@
+# Useful Functions to create , read and delete the cookies.
+
+(function( $ ) {
+    "use strict";
+
+function createCookie(name, value, days) {
+	
+    var expires;
+
+    if (days) {
+        var date = new Date();
+        date.setTime(date.getTime() + (days * 24 * 60 * 60 * 1000));
+        expires = "; expires=" + date.toGMTString();
+    } else {
+        expires = "";
+    }
+    document.cookie = encodeURIComponent(name) + "=" + encodeURIComponent(value) + expires + "; path=/";
+}
+
+// How to Create Cookies?
+createCookie('el_data', 'Prajakta');
+
+
+function readCookie(name) {
+    var nameEQ = encodeURIComponent(name) + "=";
+    var ca = document.cookie.split(';');
+    for (var i = 0; i < ca.length; i++) {
+        var c = ca[i];
+        while (c.charAt(0) === ' ')
+            c = c.substring(1, c.length);
+        if (c.indexOf(nameEQ) === 0)
+            return decodeURIComponent(c.substring(nameEQ.length, c.length));
+    }
+    return null;
+}
+
+// How to read cookies?
+var name = readCookie('el_data');
+
+function eraseCookie(name) {
+    createCookie(name, "", -1);
+}   
+
+// How to delete cookies?
+eraseCookie('el_data');
+
+})( jQuery );
