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chuck
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custom-tool-function
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DESKTOP-MK04A0R\chuck 3 years ago
commit
ddc11cf695
9 changed files with 146 additions and 0 deletions
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  1. 2 0
      .gitignore
  2. 24 0
      01/index.html
  3. 14 0
      01/src/call.js
  4. 24 0
      02/index.html
  5. 14 0
      02/src/apply.js
  6. 28 0
      03/index.html
  7. 21 0
      03/src/bind.js
  8. 11 0
      README.md
  9. 8 0
      package.json

+ 2 - 0
.gitignore
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+
 
+node_modules/

+ 24 - 0
01/index.html
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+<!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>
 
+</head>
 
+<body>
 
+    <script src="./src/call.js"></script>
 
+    <script>
 
+        function add (a,b){
 
+            console.log(this)
 
+            return a + b + this.c
 
+        }
 
+        let obj = {
 
+            c: 5
 
+        }
 
+        window.c = 6
 
+        console.log(call(add,obj,1,2))
 
+        console.log(call(add,null,1,2))
 
+    </script>
 
+</body>
 
+</html>

+ 14 - 0
01/src/call.js
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+function call(fn,obj,...args){
 
+    //判断
 
+    if(obj === null || obj === undefined){
 
+        obj = globalThis //全局对象 es11里的
 
+    }
 
+    //给obj赋予临时函数
 
+    obj.temp = fn;
 
+    //调用函数
 
+    let result = obj.temp(...args)
 
+    //销毁temp
 
+    delete obj.temp
 
+    //返回结果
 
+    return result
 
+}

+ 24 - 0
02/index.html
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+<!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>
 
+</head>
 
+<body>
 
+    <script src="./src/apply.js"></script>
 
+    <script>
 
+        function add (a,b){
 
+            console.log(this)
 
+            return a + b + this.c
 
+        }
 
+        let obj = {
 
+            c: 5
 
+        }
 
+        window.c = 6
 
+        console.log(apply(add,obj,[1,2]))
 
+        console.log(apply(add,null,[1,2]))
 
+    </script>
 
+</body>
 
+</html>

+ 14 - 0
02/src/apply.js
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+function apply(fn,obj,args){
 
+    //判断
 
+    if(obj === undefined || obj === null){
 
+        obj = globalThis
 
+    }
 
+    //为obj添加临时方法
 
+    obj.temp = fn
 
+    //执行函数
 
+    let result = obj.temp(...args)
 
+    //删除临时函数
 
+    delete obj.temp
 
+    //返回结果
 
+    return result
 
+}

+ 28 - 0
03/index.html
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+<!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>
 
+</head>
 
+<body>
 
+    <script src="./src/bind.js"></script>
 
+    <script>
 
+        function add (a,b){
 
+            console.log(this)
 
+            return a + b + this.c
 
+        }
 
+        let obj = {
 
+            c: 5
 
+        }
 
+        window.c = 6
 
+        //两种
 
+        let fn = bind(add,obj,1,2)
 
+        console.log(fn())
 
+
 
+        let fn2 = bind(add,obj)
 
+        console.log(fn2(1,2))
 
+    </script>
 
+</body>
 
+</html>

+ 21 - 0
03/src/bind.js
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+function call(fn,obj,...args){
 
+    //判断
 
+    if(obj === null || obj === undefined){
 
+        obj = globalThis //全局对象 es11里的
 
+    }
 
+    //给obj赋予临时函数
 
+    obj.temp = fn;
 
+    //调用函数
 
+    let result = obj.temp(...args)
 
+    //销毁temp
 
+    delete obj.temp
 
+    //返回结果
 
+    return result
 
+}
 
+function bind(fn,obj,...args){
 
+    //返回新函数
 
+    return function(...args1){
 
+        return call(fn,obj,...args,...args1)
 
+    }
 
+}
 
+

+ 11 - 0
README.md
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+## 目录说明
 
+* 01 call函数封装实现
 
+* 02 apply函数封装实现
 
+* 03 bind函数封装实现
 
+
 
+## 运行
 
+npm i
 
+npm start
 
+
 
+## 关于
 
+自定义函数工具库

+ 8 - 0
package.json
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+{
 
+  "scripts": {
 
+    "start": "http-server -a 127.0.0.1 -p 7070"
 
+  },
 
+  "devDependencies": {
 
+    "http-server": "^13.0.1"
 
+  }
 
+}