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存量题库数据更新

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小墨
2023-12-09 18:42:21 +08:00
parent a788808cd7
commit c198538f10
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leetcode-cn/problem (English)/事件发射器(English) [event-emitter].html
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@@ -13,7 +13,9 @@
<p><strong class="example">Example 1:</strong></p>
<pre>
<strong>Input:</strong> actions = [&quot;EventEmitter&quot;, &quot;emit&quot;, &quot;subscribe&quot;, &quot;subscribe&quot;, &quot;emit&quot;], values = [[], [&quot;firstEvent&quot;, &quot;function cb1() { return 5; }&quot;], [&quot;firstEvent&quot;, &quot;function cb1() { return 5; }&quot;], [&quot;firstEvent&quot;]]
<strong>Input:</strong>
actions = [&quot;EventEmitter&quot;, &quot;emit&quot;, &quot;subscribe&quot;, &quot;subscribe&quot;, &quot;emit&quot;],
values = [[], [&quot;firstEvent&quot;, &quot;function cb1() { return 5; }&quot;], [&quot;firstEvent&quot;, &quot;function cb1() { return 6; }&quot;], [&quot;firstEvent&quot;]]
<strong>Output:</strong> [[],[&quot;emitted&quot;,[]],[&quot;subscribed&quot;],[&quot;subscribed&quot;],[&quot;emitted&quot;,[5,6]]]
<strong>Explanation:</strong>
const emitter = new EventEmitter();
@@ -26,9 +28,11 @@ emitter.emit(&quot;firstEvent&quot;); // [5, 6], returns the output of cb1 and c
<p><strong class="example">Example 2:</strong></p>
<pre>
<strong>Input:</strong> actions = [&quot;EventEmitter&quot;, &quot;subscribe&quot;, &quot;emit&quot;, &quot;emit&quot;], values = [[], [&quot;firstEvent&quot;, &quot;function cb1(...args) { return args.join(&#39;,&#39;); }&quot;], [&quot;firstEvent&quot;, [1,2,3]], [&quot;firstEvent&quot;, [3,4,6]]]
<strong>Input:</strong>
actions = [&quot;EventEmitter&quot;, &quot;subscribe&quot;, &quot;emit&quot;, &quot;emit&quot;],
values = [[], [&quot;firstEvent&quot;, &quot;function cb1(...args) { return args.join(&#39;,&#39;); }&quot;], [&quot;firstEvent&quot;, [1,2,3]], [&quot;firstEvent&quot;, [3,4,6]]]
<strong>Output:</strong> [[],[&quot;subscribed&quot;],[&quot;emitted&quot;,[&quot;1,2,3&quot;]],[&quot;emitted&quot;,[&quot;3,4,6&quot;]]]
<strong>Explanation: </strong>Note that the emit method should be able to accept an OPTIONAL array of arguents.
<strong>Explanation: </strong>Note that the emit method should be able to accept an OPTIONAL array of arguments.
const emitter = new EventEmitter();
emitter.subscribe(&quot;firstEvent, function cb1(...args) { return args.join(&#39;,&#39;); });
@@ -39,7 +43,9 @@ emitter.emit(&quot;firstEvent&quot;, [3, 4, 6]); // [&quot;3,4,6&quot;]
<p><strong class="example">Example 3:</strong></p>
<pre>
<strong>Input:</strong> actions = [&quot;EventEmitter&quot;, &quot;subscribe&quot;, &quot;emit&quot;, &quot;unsubscribe&quot;, &quot;emit&quot;], values = [[], [&quot;firstEvent&quot;, &quot;(...args) =&gt; args.join(&#39;,&#39;)&quot;], [&quot;firstEvent&quot;, [1,2,3]], [0], [&quot;firstEvent&quot;, [4,5,6]]]
<strong>Input:</strong>
actions = [&quot;EventEmitter&quot;, &quot;subscribe&quot;, &quot;emit&quot;, &quot;unsubscribe&quot;, &quot;emit&quot;],
values = [[], [&quot;firstEvent&quot;, &quot;(...args) =&gt; args.join(&#39;,&#39;)&quot;], [&quot;firstEvent&quot;, [1,2,3]], [0], [&quot;firstEvent&quot;, [4,5,6]]]
<strong>Output:</strong> [[],[&quot;subscribed&quot;],[&quot;emitted&quot;,[&quot;1,2,3&quot;]],[&quot;unsubscribed&quot;,0],[&quot;emitted&quot;,[]]]
<strong>Explanation:</strong>
const emitter = new EventEmitter();
@@ -49,6 +55,20 @@ sub.unsubscribe(); // undefined
emitter.emit(&quot;firstEvent&quot;, [4, 5, 6]); // [], there are no subscriptions
</pre>
<p><strong class="example">Example 4:</strong></p>
<pre>
<strong>Input:</strong>
actions = [&quot;EventEmitter&quot;, &quot;subscribe&quot;, &quot;subscribe&quot;, &quot;unsubscribe&quot;, &quot;emit&quot;],
values = [[], [&quot;firstEvent&quot;, &quot;x =&gt; x + 1&quot;], [&quot;firstEvent&quot;, &quot;x =&gt; x + 2&quot;], [0], [&quot;firstEvent&quot;, [5]]]
<strong>Output:</strong> [[],[&quot;subscribed&quot;],[&quot;emitted&quot;,[&quot;1,2,3&quot;]],[&quot;unsubscribed&quot;,0],[&quot;emitted&quot;,[7]]]
<strong>Explanation:</strong>
const emitter = new EventEmitter();
const sub1 = emitter.subscribe(&quot;firstEvent&quot;, x =&gt; x + 1);
const sub2 = emitter.subscribe(&quot;firstEvent&quot;, x =&gt; x + 2);
sub1.unsubscribe(); // undefined
emitter.emit(&quot;firstEvent&quot;, [5]); // [7]</pre>
<p>&nbsp;</p>
<p><strong>Constraints:</strong></p>