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README.md

@@ -1464,8 +1464,7 @@ Use `Array.reduce()` to loop over elements and store indices for matching elemen
 Return the array of indices.
 
 ```js
-const indexOfAll = (arr, val) => (arr, val) =>
-  arr.reduce((acc, el, i) => (el === val ? [...acc, i] : acc), []);
+const indexOfAll = (arr, val) => arr.reduce((acc, el, i) => (el === val ? [...acc, i] : acc), []);
 ```
 
 <details>

docs/array.html

@@ -187,8 +187,7 @@
 <span class="token function">groupBy</span><span class="token punctuation">([</span><span class="token string">'one'</span><span class="token punctuation">,</span> <span class="token string">'two'</span><span class="token punctuation">,</span> <span class="token string">'three'</span><span class="token punctuation">],</span> <span class="token string">'length'</span><span class="token punctuation">);</span> <span class="token comment">// {3: ['one', 'two'], 5: ['three']}</span>
 </pre><button class="primary clipboard-copy">&#128203;&nbsp;Copy to clipboard</button></div></div><div class="card fluid"><h3 id="head" class="section double-padded">head</h3><div class="section double-padded"><p>Returns the head of a list.</p><p>Use <code>arr[0]</code> to return the first element of the passed array.</p><pre class="language-js"><span class="token keyword">const</span> <span class="token function-variable function">head</span> <span class="token operator">=</span> arr <span class="token operator">=></span> arr<span class="token punctuation">[</span><span class="token number">0</span><span class="token punctuation">];</span>
 </pre><label class="collapse">Show examples</label><pre class="language-js"><span class="token function">head</span><span class="token punctuation">([</span><span class="token number">1</span><span class="token punctuation">,</span> <span class="token number">2</span><span class="token punctuation">,</span> <span class="token number">3</span><span class="token punctuation">]);</span> <span class="token comment">// 1</span>
-</pre><button class="primary clipboard-copy">&#128203;&nbsp;Copy to clipboard</button></div></div><div class="card fluid"><h3 id="indexofall" class="section double-padded">indexOfAll</h3><div class="section double-padded"><p>Returns all indices of <code>val</code> in an array. If <code>val</code> never occurs, returns <code>[]</code>.</p><p>Use <code>Array.reduce()</code> to loop over elements and store indices for matching elements. Return the array of indices.</p><pre class="language-js"><span class="token keyword">const</span> <span class="token function-variable function">indexOfAll</span> <span class="token operator">=</span> <span class="token punctuation">(</span>arr<span class="token punctuation">,</span> val<span class="token punctuation">)</span> <span class="token operator">=></span> <span class="token punctuation">(</span>arr<span class="token punctuation">,</span> val<span class="token punctuation">)</span> <span class="token operator">=></span>
-  arr<span class="token punctuation">.</span><span class="token function">reduce</span><span class="token punctuation">((</span>acc<span class="token punctuation">,</span> el<span class="token punctuation">,</span> i<span class="token punctuation">)</span> <span class="token operator">=></span> <span class="token punctuation">(</span>el <span class="token operator">===</span> val <span class="token operator">?</span> <span class="token punctuation">[</span><span class="token operator">...</span>acc<span class="token punctuation">,</span> i<span class="token punctuation">] :</span> acc<span class="token punctuation">), []);</span>
+</pre><button class="primary clipboard-copy">&#128203;&nbsp;Copy to clipboard</button></div></div><div class="card fluid"><h3 id="indexofall" class="section double-padded">indexOfAll</h3><div class="section double-padded"><p>Returns all indices of <code>val</code> in an array. If <code>val</code> never occurs, returns <code>[]</code>.</p><p>Use <code>Array.reduce()</code> to loop over elements and store indices for matching elements. Return the array of indices.</p><pre class="language-js"><span class="token keyword">const</span> <span class="token function-variable function">indexOfAll</span> <span class="token operator">=</span> <span class="token punctuation">(</span>arr<span class="token punctuation">,</span> val<span class="token punctuation">)</span> <span class="token operator">=></span> arr<span class="token punctuation">.</span><span class="token function">reduce</span><span class="token punctuation">((</span>acc<span class="token punctuation">,</span> el<span class="token punctuation">,</span> i<span class="token punctuation">)</span> <span class="token operator">=></span> <span class="token punctuation">(</span>el <span class="token operator">===</span> val <span class="token operator">?</span> <span class="token punctuation">[</span><span class="token operator">...</span>acc<span class="token punctuation">,</span> i<span class="token punctuation">] :</span> acc<span class="token punctuation">), []);</span>
 </pre><label class="collapse">Show examples</label><pre class="language-js"><span class="token function">indexOfAll</span><span class="token punctuation">([</span><span class="token number">1</span><span class="token punctuation">,</span> <span class="token number">2</span><span class="token punctuation">,</span> <span class="token number">3</span><span class="token punctuation">,</span> <span class="token number">1</span><span class="token punctuation">,</span> <span class="token number">2</span><span class="token punctuation">,</span> <span class="token number">3</span><span class="token punctuation">],</span> <span class="token number">1</span><span class="token punctuation">);</span> <span class="token comment">// [0,3]</span>
 <span class="token function">indexOfAll</span><span class="token punctuation">([</span><span class="token number">1</span><span class="token punctuation">,</span> <span class="token number">2</span><span class="token punctuation">,</span> <span class="token number">3</span><span class="token punctuation">],</span> <span class="token number">4</span><span class="token punctuation">);</span> <span class="token comment">// []</span>
 </pre><button class="primary clipboard-copy">&#128203;&nbsp;Copy to clipboard</button></div></div><div class="card fluid"><h3 id="initial" class="section double-padded">initial</h3><div class="section double-padded"><p>Returns all the elements of an array except the last one.</p><p>Use <code>arr.slice(0,-1)</code> to return all but the last element of the array.</p><pre class="language-js"><span class="token keyword">const</span> <span class="token function-variable function">initial</span> <span class="token operator">=</span> arr <span class="token operator">=></span> arr<span class="token punctuation">.</span><span class="token function">slice</span><span class="token punctuation">(</span><span class="token number">0</span><span class="token punctuation">,</span> <span class="token operator">-</span><span class="token number">1</span><span class="token punctuation">);</span>

snippets/indexOfAll.md

@@ -6,8 +6,7 @@ Use `Array.reduce()` to loop over elements and store indices for matching elemen
 Return the array of indices.
 
 ```js
-const indexOfAll = (arr, val) =>
-  arr.reduce((acc, el, i) => (el === val ? [...acc, i] : acc), []);
+const indexOfAll = (arr, val) => arr.reduce((acc, el, i) => (el === val ? [...acc, i] : acc), []);
 ```
 
 ```js