Update 堆的基本操作.md

数据结构分类/堆/堆的基本操作.md

@@ -91,7 +91,7 @@
       if (array.length > 1) {
         let index = array.length - 1;
         let target = Math.floor((index - 1) / 2);
-        while (target >= 0) { array[target]);
+        while (target >= 0) {
           if (array[index] < array[target]) {
             [array[index], array[target]] = [array[target], array[index]]
             index = target;