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data-open do not need "true" as value #13

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data-open do not need "true" as value #13

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2 changes: 1 addition & 1 deletion README.md
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Original file line number Diff line number Diff line change
Expand Up @@ -34,7 +34,7 @@ Basic HTML structure with roles `tablist`, `tab`, and `tabpanel`.

An `aria-disabled` attribute set to `true` on a `tab` will disable the `tab` and the associated `tabpanel` making them unfocusable and unselectable.

If you wish to open one specific tab when the script starts, just add the `data-open` attribute with the value of `true` on the desired `tab`:
If you wish to open one specific tab when the script starts, just add the `data-open` attribute on the desired `tab` (without any value or with every other value than `"false"`, it will be considered as `true`):

```html
<ul role="tablist">
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2 changes: 1 addition & 1 deletion lib/index.js
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Expand Up @@ -331,7 +331,7 @@ class Tablist{
tab.disabled = tab.hasAttribute( 'disabled' ) || tab.getAttribute( 'aria-disabled' ) === 'true';

// if there's no opened tab yet
if( tab.getAttribute( 'data-open' ) === 'true' && !tab.disabled ){
if( tab.hasAttribute( 'data-open' ) && tab.getAttribute( 'data-open' ) !== 'false' && !tab.disabled ){
if( this._tablist.openedIndex === undefined ){
this._toggleDisplay( index, true );

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