feat: 修改了代码段

Author: eveningwater

codes/demo/plugins/datetime-picker/index.js

@@ -145,7 +145,6 @@ class DateTimePicker {
     const todayBtn = document.createElement("button");
     todayBtn.className = "datetime-btn today";
     todayBtn.textContent = "今天";
-
     const confirmBtn = document.createElement("button");
     confirmBtn.className = "datetime-btn confirm";
     confirmBtn.textContent = "确定";
@@ -544,4 +543,4 @@ class DateTimePicker {
         ?.setAttribute("name", forName);
     }
   }
-} 
+} 

codes/demo/plugins/input-number/index.js

@@ -24,6 +24,7 @@ class InputNumber {
 
     const decreaseBtn = document.createElement("button");
     decreaseBtn.className = "input-number-button decrease";
+    decreaseBtn.setAttribute("type", "button");
     decreaseBtn.innerHTML = "-";
 
     const input = document.createElement("input");
@@ -34,6 +35,7 @@ class InputNumber {
     const increaseBtn = document.createElement("button");
     increaseBtn.className = "input-number-button increase";
     increaseBtn.innerHTML = "+";
+    increaseBtn.setAttribute("type", "button");
 
     container.appendChild(decreaseBtn);
     container.appendChild(input);

codes/javascript/head.md

@@ -11,6 +11,10 @@
 const head = arr => (Array.isArray(arr) && arr.length ? arr[0] : void 0);
 ```
 
+ts 代码如下:
+
+<div class="code-editor" data-url="codes/javascript/ts/head.ts" data-language="typescript"></div>
+
 > 调用方式:
 
 ```js
@@ -22,6 +26,8 @@ head(undefined); // undefined
 
 > 应用场景
 
+以下是一个实战<a href="codes/javascript/html/head.html" target="_blank" rel="noopener noreferrer">示例</a>:
+
 <div class="code-editor" data-url="codes/javascript/html/head.html" data-language="html"></div>
 
 结果如下: