fix: #33 dom.querySelectorAll is not a function

Author: AwesomeDevin

main/waterfall.vue

@@ -166,7 +166,11 @@ import bus from './bus'
 			},
 			async setDomImageHeight(dom)
 			{
-				var imgs = dom.querySelectorAll('img')
+				if(!dom.getElementByTagName)
+				{
+					return
+				}
+				var imgs = dom.getElementByTagName('img')
 				for(var i=0;i<imgs.length;i++)
 				{
 					var lazySrc = imgs[i].getAttribute('lazy-src')
@@ -326,10 +330,7 @@ import bus from './bus'
 						imgs[index].className = imgs[index].className + ' animation'
 						imgs[index].removeAttribute('lazy-src')
 					}
-					
-					
 				}
-				
 			},
 			clearColumn(){
 				this.columns.forEach((item)=>{

package.json

@@ -16,7 +16,6 @@
     "less-loader": "^5.0.0",
     "vue": "^2.6.10",
     "vue-router": "^3.0.1",
-    "vue-waterfall": "^1.0.6"
   },
   "devDependencies": {
     "autoprefixer": "^7.1.2",
@@ -50,7 +49,7 @@
     "vue-loader": "^13.3.0",
     "vue-style-loader": "^3.1.2",
     "vue-template-compiler": "^2.6.10",
-    "vue-waterfall2": "^1.9.2",
+    "vue-waterfall2": "^1.9.4",
     "webpack": "^3.6.0",
     "webpack-bundle-analyzer": "^2.9.0",
     "webpack-dev-server": "^2.9.1",