修复数组为空Bug弹窗

src/assets/js/class.js

@@ -59,13 +59,14 @@ class ArrayVi extends ViBase {
             if (!sortClassInfo['available'])
                 continue
 
+            let that = this
             let ctrlBtn = document.createElement("button")
             ctrlBtn.innerHTML = sortClassInfo['name']
             ctrlBtn.onclick = function () {
                 // 点击排序算法按钮
-                // if (!updateListDataArray(elementId, { doNotAlert: false }))
+                // if (!that.updateListDataArray(elementId, { doNotAlert: false }))
                 //     return
-                if (!this.listData || this.listData.length == 0) {
+                if (!that.listData || that.listData.length == 0) {
                     alert("数组为空")
                     return
                 }
@@ -135,6 +136,7 @@ class ArrayVi extends ViBase {
 
     // 绘制数组
     initArray(elementId, listData) {
+        console.log("initArray")
         let fragment = shape.getLinkedListFragment(elementId, listData, {
             x: 100,
             y: 100,

src/index.html

@@ -25,7 +25,7 @@
                     <label>
                         请输入数组元素，以逗号分隔（中英文逗号均可）
                         <input id="array-input" style="width: 100%; text-align: center;" type="text" value="" />
-                      </label>
+                    </label>
                     <input id="getRandomBtn" type="button" value="随便来一个" />
                 </div>
                 <!-- 排序算法按钮 -->