improve:add local variable declaration (#5462)

8 years ago · 3b4d16b032
1 changed files with 1 additions and 0 deletions
--- a/src/core/vdom/patch.js
+++ b/src/core/vdom/patch.js
@ -327,6 +327,7 @@ export function createPatchFunction (backend) {

  function removeAndInvokeRemoveHook (vnode, rm) {
    if (isDef(rm) || isDef(vnode.data)) {
+      let i
      const listeners = cbs.remove.length + 1
      if (isDef(rm)) {
        // we have a recursively passed down rm callback