app.js
/**
   * Runtime helper for rendering static trees.
   */
Runtime helper for rendering static trees.
Runtime helper for rendering static trees .
function renderStatic(index, isInFor) {
    var cached = this._staticTrees || (this._staticTrees = []);
    var tree = cached[index];
    if (tree && !isInFor) {
      return tree;
    }
    tree = cached[index] = this.$options.staticRenderFns[index].call(this._renderProxy, null, this 
    );
    markStatic(tree, "__static__" + index, false);
    return tree;
  }
function renderStatic ( index , isInFor ) { var cached = this . _staticTrees || ( this . _staticTrees = [ ] ) ; var tree = cached [ index ] ; if ( tree && ! isInFor ) { return tree ; } tree = cached [ index ] = this . $options . staticRenderFns [ index ] . call ( this . _renderProxy , null , this ) ; markStatic ( tree , "__static__" + index , false ) ; return tree ; }
Runtime helper for rendering static trees.
Runtime helper for rendering static trees .
// if has already-rendered static tree and not inside v-for, // we can reuse the same tree. // otherwise, render a fresh tree. // for render fns generated for functional component templates