hace 3 años · 8df77381d2
--- a/05/index.html
+++ b/05/index.html
@@ -0,0 +1,57 @@
 
				+<!DOCTYPE html>
			
 
				+<html lang="en">
			
 
				+<head>
			
 
				+    <meta charset="UTF-8">
			
 
				+    <meta http-equiv="X-UA-Compatible" content="IE=edge">
			
 
				+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
			
 
				+    <title>Document</title>
			
 
				+    <script src="./src/index.js"></script>
			
 
				+</head>
			
 
				+<body>
			
 
				+    <script>
			
 
				+        //map
			
 
				+        let arr = [1,2,3]
			
 
				+        let result = map(arr,function(item,index){
			
 
				+            return item * 10
			
 
				+        })
			
 
				+        console.log(result)
			
 
				+
			
 
				+        //reduce
			
 
				+        let result1 = reduce(arr,function(res,item){
			
 
				+            return res + item
			
 
				+        },0)
			
 
				+        console.log(result1)
			
 
				+
			
 
				+        //filter
			
 
				+        let result2 = filter(arr,function(item){
			
 
				+            return item%2 === 0
			
 
				+        })
			
 
				+        console.log(result2)
			
 
				+
			
 
				+        //find
			
 
				+        let result3 = find(arr,function(item){
			
 
				+            return item > 7
			
 
				+        })
			
 
				+        console.log(result3)
			
 
				+
			
 
				+        //findIndex
			
 
				+        let result4 = findIndex(arr,function(item){
			
 
				+            return item > 1
			
 
				+        })
			
 
				+        console.log(result4)
			
 
				+
			
 
				+        //every
			
 
				+        let result5 = every(arr,function(item){
			
 
				+            return item > 2;
			
 
				+        })
			
 
				+        console.log(result5)
			
 
				+
			
 
				+        //some
			
 
				+        let result6 = some(arr,function(item){
			
 
				+            return item > 8;
			
 
				+        })
			
 
				+        console.log(result6)
			
 
				+
			
 
				+    </script>
			
 
				+</body>
			
 
				+</html>
			
--- a/05/src/index.js
+++ b/05/src/index.js
@@ -0,0 +1,106 @@
 
				+/**
			
 
				+ * 1、map函数
			
 
				+ * @param {Array} arr 
			
 
				+ * @param {Function} callback 
			
 
				+ * @returns 
			
 
				+ */
			
 
				+function map(arr,callback){
			
 
				+    let result = []
			
 
				+    for(let i = 0;i < arr.length;i++){
			
 
				+        result.push(callback(arr[i],i))
			
 
				+    }
			
 
				+    return result;
			
 
				+}
			
 
				+/**
			
 
				+ * 2、reduce函数
			
 
				+ * @param {Array} arr 
			
 
				+ * @param {Function} callback 
			
 
				+ * @param {*} initValue 
			
 
				+ * @returns 
			
 
				+ */
			
 
				+function reduce(arr,callback,initValue){
			
 
				+    let result = initValue
			
 
				+    for(let i = 0;i < arr.length;i++){
			
 
				+        result = callback(result,arr[i])
			
 
				+    }
			
 
				+    return result
			
 
				+}
			
 
				+
			
 
				+/**
			
 
				+ * 3、filter函数
			
 
				+ * @param {Array} arr 
			
 
				+ * @param {Function} callback 
			
 
				+ * @returns 
			
 
				+ */
			
 
				+function filter(arr,callback){
			
 
				+    let result = []
			
 
				+    for(let i = 0;i < arr.length;i++){
			
 
				+        if(callback(arr[i],i)){
			
 
				+            result.push(arr[i])
			
 
				+        }
			
 
				+    }
			
 
				+    return result
			
 
				+}
			
 
				+
			
 
				+/**
			
 
				+ * 4、find函数
			
 
				+ * 找到数组中第一个满足条件的值
			
 
				+ * @param {*} arr 
			
 
				+ * @param {*} callback 
			
 
				+ * @returns 
			
 
				+ */
			
 
				+function find(arr,callback){
			
 
				+    for(let i = 0;i < arr.length;i++){
			
 
				+        if(callback(arr[i],i)){
			
 
				+            return arr[i]
			
 
				+        }
			
 
				+    }
			
 
				+    return undefined
			
 
				+}
			
 
				+
			
 
				+/**
			
 
				+ * 5、findIndex函数
			
 
				+ * 找到数组中第一个满足条件的下标
			
 
				+ * @param {*} arr 
			
 
				+ * @param {*} callback 
			
 
				+ * @returns 
			
 
				+ */
			
 
				+function findIndex(arr,callback){
			
 
				+    for(let i = 0;i < arr.length;i++){
			
 
				+        if(callback(arr[i],i)){
			
 
				+            return i
			
 
				+        }
			
 
				+    }
			
 
				+    return -1
			
 
				+}
			
 
				+/**
			
 
				+ * 6、every函数
			
 
				+ * 必须所有都满足
			
 
				+ * @param {*} arr 
			
 
				+ * @param {*} callback 
			
 
				+ * @returns bool
			
 
				+ */
			
 
				+function every(arr,callback){
			
 
				+    for(let i = 0;i < arr.length;i++){
			
 
				+        if(!callback(arr[i],i)){
			
 
				+            return false
			
 
				+        }
			
 
				+    }
			
 
				+    return true
			
 
				+}
			
 
				+
			
 
				+/**
			
 
				+ * 7、some函数
			
 
				+ * 只要有一个满足
			
 
				+ * @param {*} arr 
			
 
				+ * @param {*} callback 
			
 
				+ * @returns bool
			
 
				+ */
			
 
				+function some(arr,callback){
			
 
				+    for(let i = 0;i < arr.length;i++){
			
 
				+        if(callback(arr[i],i)){
			
 
				+            return true
			
 
				+        }
			
 
				+    }
			
 
				+    return false
			
 
				+}
			
--- a/06/index.html
+++ b/06/index.html
@@ -0,0 +1,16 @@
 
				+<!DOCTYPE html>
			
 
				+<html lang="en">
			
 
				+<head>
			
 
				+    <meta charset="UTF-8">
			
 
				+    <meta http-equiv="X-UA-Compatible" content="IE=edge">
			
 
				+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
			
 
				+    <title>Document</title>
			
 
				+    <script src="./src/index.js"></script>
			
 
				+</head>
			
 
				+<body>
			
 
				+    <script>
			
 
				+        const arr = [1,2,3,4,2,3]
			
 
				+        console.log(unique2(arr))
			
 
				+    </script>
			
 
				+</body>
			
 
				+</html>
			
--- a/06/src/index.js
+++ b/06/src/index.js
@@ -0,0 +1,25 @@
 
				+/**
			
 
				+ * 去重
			
 
				+ * findIndex
			
 
				+ * indexOf
			
 
				+ * @param {*} arr 
			
 
				+ * @returns 
			
 
				+ */
			
 
				+function unique(arr){
			
 
				+    const result = []
			
 
				+    arr.forEach(item=>{
			
 
				+        if(!result.includes(item)){
			
 
				+            result.push(item)
			
 
				+        }
			
 
				+    })
			
 
				+    return result
			
 
				+}
			
 
				+
			
 
				+/**
			
 
				+ * 集合法
			
 
				+ * @param {*} arr 
			
 
				+ * @returns 
			
 
				+ */
			
 
				+function unique2(arr){
			
 
				+    return [...new Set(arr)]
			
 
				+}
			
--- a/README.md
+++ b/README.md
@@ -3,6 +3,8 @@
 
				 * 02 apply函数封装实现
			
 
				 * 03 bind函数封装实现
			
 
				 * 04 函数节流与防抖
			
 
				+* 05 es6数组函数封装 map、reduce、filter、find、findIndex、every、some
			
 
				+* 06 数组的去重
			
 
				 
			
 
				 ## 运行
			
 
				 npm i