[add] script

[add] HoldButton

assets/Script/Engine/Utils/CCExtensions/ArrayExtension.ts

@@ -4,6 +4,8 @@ declare interface Array<T> {
      * @param index
      */
     ExRemoveAt(index: number): T;
+    /** 移除全部值 */
+    Clear(): void;
     /**
      * 物件陣列排序，asc&key陣列長度請一樣
      * PS. boolean 帶false是先true在false
@@ -22,6 +24,13 @@ Array.prototype.ExRemoveAt || Object.defineProperty(Array.prototype, "ExRemoveAt
     }
 });
 
+Array.prototype.Clear || Object.defineProperty(Array.prototype, "Clear", {
+    enumerable: false,
+    value: function (): void {
+        this.length = 0;
+    }
+});
+
 Array.prototype.ObjectSort || Object.defineProperty(Array.prototype, "ObjectSort", {
     enumerable: false,
     /**