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correct typo

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Ayo 2019-10-14 06:34:30 +08:00
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_posts/2019-10-14-forcing-javascript-dom-types.md
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@ -31,9 +31,9 @@ before you assign it...
x = document.getElementById('table-id') // -> always returns HTMLELement
```
If you go straight to doing `document.getElementById` the variable will have the generic type `HTMLElement`.
If you go straight to doing `var x = document.getElementById('table-id')` the variable will have the generic type `HTMLElement`.
Important hint: the string parameter for `createElement` (`'table'` in our example above) will determine the type/interface that the variable `x` will use.
Important hint: the string parameter for `document.createElement()` (which is `'table'` in our example above) will determine the type/interface that the variable `x` will use.
## Uh, okay. But, uhm, why... woud I want to do that?