From 411ddf92cc90f3dc3f2524f3ceae06ca6cf8ae75 Mon Sep 17 00:00:00 2001
From: Pan <panfree23@gmail.com>
Date: Sun, 26 Feb 2017 18:57:44 +0800
Subject: [PATCH] Slider:Prevent text selection on mouse drag

---
 packages/slider/src/button.vue | 1 +
 1 file changed, 1 insertion(+)

diff --git a/packages/slider/src/button.vue b/packages/slider/src/button.vue
index 37c7fd35a..0a1cf7dca 100644
--- a/packages/slider/src/button.vue
+++ b/packages/slider/src/button.vue
@@ -96,6 +96,7 @@
 
       onButtonDown(event) {
         if (this.disabled) return;
+        event.preventDefault();
         this.onDragStart(event);
         window.addEventListener('mousemove', this.onDragging);
         window.addEventListener('mouseup', this.onDragEnd);