From df1704ef911847d4e390d1cde0cc80c35a19cbbe Mon Sep 17 00:00:00 2001
From: Timotej Lazar <timotej.lazar@fri.uni-lj.si>
Date: Thu, 19 Nov 2015 10:34:12 +0100
Subject: Use preventDefault instead of return false for link events

---
 js/codeq/language.js     | 7 +++----
 js/codeq/problem_list.js | 6 +++---
 2 files changed, 6 insertions(+), 7 deletions(-)

diff --git a/js/codeq/language.js b/js/codeq/language.js
index e86b09e..97691e6 100644
--- a/js/codeq/language.js
+++ b/js/codeq/language.js
@@ -9,15 +9,14 @@
         jqRobot = $('#choose-robot'),
         choose = function (language) {
             codeq.globalStateMachine.transition('problem_list', language);
-            return false;
         };
 
     codeq.globalStateMachine.register('language',{
         'enter': function(){
             jqScreen.css('display', '');
-            jqProlog.on('click', function () { return choose('prolog') });
-            jqPython.on('click', function () { return choose('python') });
-            jqRobot.on('click', function () { return choose('robot') });
+            jqProlog.on('click', function (e) { e.preventDefault(); choose('prolog') });
+            jqPython.on('click', function (e) { e.preventDefault(); choose('python') });
+            jqRobot.on('click', function (e) { e.preventDefault(); choose('robot') });
         },
         'exit' : function(){
             jqProlog.off();
diff --git a/js/codeq/problem_list.js b/js/codeq/problem_list.js
index cc9e716..3fb9653 100644
--- a/js/codeq/problem_list.js
+++ b/js/codeq/problem_list.js
@@ -251,12 +251,13 @@
             var language = data.language;
             jqScreen.html(data.html);
             codeq.tr.translateDom(jqScreen);
-            jqScreen.find('a').on('click', function () {
+            jqScreen.find('a').on('click', function (e) {
                 var index = +$(this).attr('class').split(' ')[0].split('-')[1],
                     ref = data.refs[index];
+                e.preventDefault();
                 if (!ref) {
                     codeq.log.error('Clicked on a problem link having erroneous index: ' + index);
-                    return false;
+                    return;
                 }
                 codeq.wait(
                         Q.all([
@@ -274,7 +275,6 @@
                         alert('Failed to obtain the problem definition: ' + reason);
                     })
                     .done();
-                return false;
             });
         },
 
-- 
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