check post csrf3

static/js/global_js.js

@@ -157,6 +157,18 @@ function checkStateCookie () {
     }
 }
 
+function getCsrfCookie () {
+    let str = window.document.cookie
+    str = str.split('; ');
+    let obj_cookie = {}
+    for (let i = 0;i < str.length;i++){
+        let cur = str[i].split('=');
+        obj_cookie[cur[0]] = cur[1]
+    }
+    let csrf = obj_cookie['csrftoken']
+    return csrf
+}
+
 function setCokie () {
     let date = new Date();
     let days = 182;