调研宝

清除setTimeout任务，防止内存泄漏

src/views/h5editor/index.vue

@@ -1088,10 +1088,11 @@ export default {
           tools.vue2json(this.$store.state.editor.editorTheme)
         )
         .then(() => {
-          setTimeout(() => {
+         var param= setTimeout(() => {
             this.showPreView = true;
             this.isLoadingPreview = false;
           }, 1000);
+          clearTimeout(param)
         });
     },
     selectedElement(element) {
@@ -1253,9 +1254,10 @@ export default {
                   } else {
                     that.buttonData.backgroundSelectedImg = res;
                     that.selectedButtom = false;
-                    setTimeout(() => {
+                    var param = setTimeout(() => {
                       that.selectedButtom = true;
                     }, 1);
+                    clearTimeout(param)
                   }
                 };
                 img.src = res;
@@ -1284,13 +1286,15 @@ export default {
                       that.uploadButtonImg("both");
                     } else {
                       that.selectedButtom = false;
-                      setTimeout(() => {
+                      var param = setTimeout(() => {
                         that.selectedButtom = true;
                       }, 1);
+                      clearTimeout(param);
                       that.unSelectedButtom = false;
-                      setTimeout(() => {
+                      var param2 = setTimeout(() => {
                         that.unSelectedButtom = true;
                       }, 1);
+                      clearTimeout(param2);
                     }
                   };
                   img.src = res;
@@ -1358,15 +1362,17 @@ export default {
                 if (isSelected) {
                   that.buttonData.backgroundSelectedImg = res;
                   that.selectedButtom = false;
-                  setTimeout(() => {
+                  var params = setTimeout(() => {
                     that.selectedButtom = true;
                   }, 1);
+                  clearTimeout(params);
                 } else {
                   that.buttonData.backgroundUnselectedImg = res;
                   that.unSelectedButtom = false;
-                  setTimeout(() => {
+                  var param = setTimeout(() => {
                     that.unSelectedButtom = true;
                   }, 1);
+                  clearTimeout(param);
                 }
                 that.buttonData.itemId = that.itemId;
                 that.buttonData.width = img.width;
@@ -1415,13 +1421,15 @@ export default {
       this.buttonData.backgroundSelectedImg = this.buttonData.backgroundUnselectedImg;
       this.buttonData.backgroundUnselectedImg = temp;
       this.selectedButtom = false;
-      setTimeout(() => {
+      var params1 = setTimeout(() => {
         this.selectedButtom = true;
       }, 0.1);
+      clearTimeout(params1);
       this.unSelectedButtom = false;
-      setTimeout(() => {
+      var params2 = setTimeout(() => {
         this.unSelectedButtom = true;
       }, 0.1);
+      clearTimeout(params2);
     }
   },
   components: {