Signed-off-by: chy <chy@163.com>

src/utils/throttle.js

@@ -0,0 +1,27 @@
+/*
+ * @Descripttion: 
+ * @version: 
+ * @Author: qianlishi
+ * @Date: 2021-12-11 14:48:27
+ * @LastEditors: qianlishi
+ * @LastEditTime: 2021-12-13 10:16:48
+ */
+/**
+ * 函数节流
+ */
+export function _throttle(fn,delay){
+    let timer
+    let delay = delay || 1000;   //一秒内触发一次
+    return function(...args){
+        const context = this
+        let canExecute = !timer
+        if(canExecute){
+            fn.apply(context,args)
+        }else{
+            clearTimeout(timer)
+        }
+        timer = setTimeout(() => {
+            timer = null
+        }, delay);
+    }
+}