Array mcq

Author: nilajcoder

Array/plus.js

@@ -0,0 +1,20 @@
+
+
+
+/*
+The + operator is used for string concatenation when one of the operands is a string.
+*/
+console.log("1"+1)//11
+
+console.log(1 +"1")//11
+console.log(1-"1")//0
+
+//addition arihematic 
+console.log(1+1)//2
+
+console.log([]+[])//""
+console.log([]+1)//"1"
+console.log([1]+[2])//"12"
+console.log([1]+{})//"1[object Object]"
+console.log({}+{})//[object Object][object Object]
+console.log([]+{})//[object Object]