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authorAleš Smodiš <aless@guru.si>2015-09-18 16:41:12 +0200
committerAleš Smodiš <aless@guru.si>2015-09-18 16:41:12 +0200
commitda92df9761b52f6d24d2241080121cc5bef5e932 (patch)
treeaa10f5f9f71499e4b255ce5058008bde694bb77b /js/codeq/prolog.js
parent3df482a0fcca2f11cce51fc072e6a4dbc861c2a4 (diff)
Don't crash loading a prolog problem, if the problem has no plan set.
Diffstat (limited to 'js/codeq/prolog.js')
-rw-r--r--js/codeq/prolog.js2
1 files changed, 1 insertions, 1 deletions
diff --git a/js/codeq/prolog.js b/js/codeq/prolog.js
index 4eed354..be4791a 100644
--- a/js/codeq/prolog.js
+++ b/js/codeq/prolog.js
@@ -371,7 +371,7 @@
editor.setValue(info.solution);
$('#title').text(problem.slug);
jqDescription.html(problem.description);
- $('#btn_code_plan').prop('disabled', problem.plan.length == 0);
+ $('#btn_code_plan').prop('disabled', (problem.plan || '').length == 0);
editor.on('change', function (instance, changeObj) {
var doc = editor.getDoc(),