# \[Resolvido\] Como usar o helper "h" do virtual-dom na tag \<head\> para sobrescrever o widget dropdown de hambúrguer do cabeçalho? + Como sobrescrever o método @computed?

**URL:** <https://meta.discourse.org/t/solved-how-to-use-virtual-doms-h-helper-in-head-for-header-dropdown-hamburger-widget-override-how-to-override-computed-method/104583>\
**Category:** Development\
**Created:** [Dezembro 18, 2018, 6:50pm UTC](https://meta.discourse.org/t/solved-how-to-use-virtual-doms-h-helper-in-head-for-header-dropdown-hamburger-widget-override-how-to-override-computed-method/104583 "2018-12-18T18:50:30Z")\
**Posts on this page:** 1\
**Showing post:** 2

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**Author:** ![david](https://sea3.discourse-cdn.com/meta/user_avatar/meta.discourse.org/david/32/157490_2.png) [@david](https://meta.discourse.org/u/david)\
**Post date:** [Dezembro 18, 2018, 6:52pm UTC](https://meta.discourse.org/t/solved-how-to-use-virtual-doms-h-helper-in-head-for-header-dropdown-hamburger-widget-override-how-to-override-computed-method/104583/2 "2018-12-18T18:52:15Z")

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You can access the helper from a theme by putting this at the top of the javascript:

```plaintext
const h = require("virtual-dom").h;

```

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_[View the full topic](https://meta.discourse.org/t/solved-how-to-use-virtual-doms-h-helper-in-head-for-header-dropdown-hamburger-widget-override-how-to-override-computed-method/104583)._