update docs

packages/artplayer/src/utils/time.js

@@ -2,45 +2,31 @@ export function sleep(ms = 0) {
     return new Promise((resolve) => setTimeout(resolve, ms));
 }
 
-export function debounce(func, wait, context) {
+export function debounce(func, duration) {
     let timeout;
-    function fn(...args) {
-        const later = function later() {
+
+    return function (...args) {
+        const effect = () => {
             timeout = null;
-            func.apply(context, args);
+            return func.apply(this, args);
         };
-        clearTimeout(timeout);
-        timeout = setTimeout(later, wait);
-    }
 
-    fn.clearTimeout = function ct() {
         clearTimeout(timeout);
+        timeout = setTimeout(effect, duration);
     };
-
-    return fn;
 }
 
-export function throttle(callback, delay) {
-    let isThrottled = false;
-    let args;
-    let context;
-    function fn(...args2) {
-        if (isThrottled) {
-            args = args2;
-            context = this;
-            return;
+export function throttle(func, duration) {
+    let shouldWait = false;
+
+    return function (...args) {
+        if (!shouldWait) {
+            func.apply(this, args);
+            shouldWait = true;
+
+            setTimeout(function () {
+                shouldWait = false;
+            }, duration);
         }
-
-        isThrottled = true;
-        callback.apply(this, args2);
-        setTimeout(() => {
-            isThrottled = false;
-            if (args) {
-                fn.apply(context, args);
-                args = null;
-                context = null;
-            }
-        }, delay);
-    }
-    return fn;
+    };
 }