[ADD] add collection

CodeCoderCoding · CodeCoderCoding · commit ccc40b8a6cd3 · 2022-10-08T10:07:23.000+08:00
diff --git a/ECMAScript/A05-Collection/array.js b/ECMAScript/A05-Collection/array.js
@@ -0,0 +1,7 @@
+let array1=new Array(3);
+console.log("size of array1: "+array1.length);
+
+let array2=[1, 2, 3, 4, 5];
+for(let i=0;i<5;i++){
+    console.log("i: "+i);
+}
diff --git a/ECMAScript/A05-Collection/map.js b/ECMAScript/A05-Collection/map.js
@@ -0,0 +1,6 @@
+let map1=new Map();
+map1.set(1, "value1");
+map1.set(2, "value2");
+for(let i=1;i<=map1.size;i++){
+    console.log(map1.get(i));
+}
diff --git a/ECMAScript/A05-Collection/set.js b/ECMAScript/A05-Collection/set.js
@@ -0,0 +1,2 @@
+let set1 = new Set(["value1", "value2", "value3"]);
+console.log(set1.size);

Original file line number	Diff line number	Diff line change
`@@ -0,0 +1,2 @@`
	`1`	`+let set1 = new Set(["value1", "value2", "value3"]);`
	`2`	`+console.log(set1.size);`