[18/20] incubator-weex git commit: * [html5] fix slider's error when there's no children at first.

[so...@apache.org]

* [html5] fix slider's error when there's no children at first.


Project: http://git-wip-us.apache.org/repos/asf/incubator-weex/repo
Commit: http://git-wip-us.apache.org/repos/asf/incubator-weex/commit/f6fe550b
Tree: http://git-wip-us.apache.org/repos/asf/incubator-weex/tree/f6fe550b
Diff: http://git-wip-us.apache.org/repos/asf/incubator-weex/diff/f6fe550b

Branch: refs/heads/0.14-dev
Commit: f6fe550b79967243e26ddd2bf8f96a48c44a9522
Parents: 3471c85
Author: MrRaindrop <te...@gmail.com>
Authored: Thu Jun 15 11:45:57 2017 +0800
Committer: MrRaindrop <te...@gmail.com>
Committed: Thu Jun 15 11:45:57 2017 +0800

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 html5/render/vue/components/slider/slideMixin.js | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)
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http://git-wip-us.apache.org/repos/asf/incubator-weex/blob/f6fe550b/html5/render/vue/components/slider/slideMixin.js
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diff --git a/html5/render/vue/components/slider/slideMixin.js b/html5/render/vue/components/slider/slideMixin.js
index 2655fbb..84ca705 100644
--- a/html5/render/vue/components/slider/slideMixin.js
+++ b/html5/render/vue/components/slider/slideMixin.js
@@ -59,7 +59,6 @@ export default {
       }
     }
     fireLazyload(this.$el, true)
-    this._preIndex = this._showNodes[0].index
     if (this._preIndex !== this.currentIndex) {
       this._slideTo(this.currentIndex)
     }
@@ -162,6 +161,9 @@ export default {
     },
 
     _slideTo (index, isTouchScroll) {
+      if (this.frameCount <= 0) {
+        return
+      }
       if (!this.infinite || this.infinite === 'false') {
         if (index === -1 || index > (this.frameCount - 1)) {
           this._slideTo(this.currentIndex)