Data commit

Task/Arrays/Jsish/arrays.jsish

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+/* Arrays in Jsi */
+// Create a new array with length 0
+var myArray = new Array();
+;myArray;
+
+// In Jsi, typeof [] is "array".  In ECMAScript, typeof [] is "object"
+;typeof [];
+
+// Create a new array with length 5
+var myArray1 = new Array(5);
+;myArray1;
+
+// Create an array with 2 members (length is 2)
+var myArray2 = new Array("Item1","Item2");
+;myArray2;
+;myArray2.length;
+
+// Create an array with 2 members using an array literal
+var myArray3 = ["Item1", "Item2"];
+;myArray3;
+
+// Assign a value to member [2] (length is now 3)
+myArray3[2] = 5;
+;myArray3;
+;myArray3.length;
+
+var x = myArray3[2] + myArray3.length;   // 8
+;x;
+
+// You can also add a member to an array with the push function (length is now 4)
+myArray3.push('Test');
+;myArray3;
+;myArray3.length;
+
+// Empty array entries in a literal is a syntax error, elisions not allowed
+//var badSyntax = [1,2,,4];
+
+
+/*
+=!EXPECTSTART!=
+myArray ==> []
+typeof [] ==> array
+myArray1 ==> [ undefined, undefined, undefined, undefined, undefined ]
+myArray2 ==> [ "Item1", "Item2" ]
+myArray2.length ==> 2
+myArray3 ==> [ "Item1", "Item2" ]
+myArray3 ==> [ "Item1", "Item2", 5 ]
+myArray3.length ==> 3
+x ==> 8
+myArray3 ==> [ "Item1", "Item2", 5, "Test" ]
+myArray3.length ==> 4
+=!EXPECTEND!=
+*/