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-rw-r--r--doc/src/snippets/declarative/codingconventions/myscript.js3
1 files changed, 3 insertions, 0 deletions
diff --git a/doc/src/snippets/declarative/codingconventions/myscript.js b/doc/src/snippets/declarative/codingconventions/myscript.js
index cfa646250b..e7f83c259c 100644
--- a/doc/src/snippets/declarative/codingconventions/myscript.js
+++ b/doc/src/snippets/declarative/codingconventions/myscript.js
@@ -1,5 +1,8 @@
function calculateWidth(parent)
{
+ if (parent == null)
+ return 0
+
var w = parent.width / 3
// ...
// more javascript code