diff --git a/qualdev/debog/exo6.1.ts b/qualdev/debog/exo6.1.ts
new file mode 100644
index 0000000000000000000000000000000000000000..713b1a02fb8d559c4cba4473830664d3407335bb
--- /dev/null
+++ b/qualdev/debog/exo6.1.ts
@@ -0,0 +1,6 @@
+let tab1 = [1, 2, 3];
+let tab2 = tab1;
+
+tab1[1] = 5;
+
+console.log(tab1, tab2);
\ No newline at end of file