Native JavaScript message board

This article shares the specific code of JavaScript to implement the message board for your reference. The specific content is as follows

Effect:

Code:

<!DOCTYPE html>
<html>
 <head>
 <meta charset="UTF-8">
 <title></title>
 <style>
 #txt2{
 width:400px;
 height:50px;
 margin-top:5px;
 }
 #span1{
 margin-left:200px;
 }
 #box{
 width:400px;
 /*height:400px;*/
 /*border:1px solid gray;*/
 }
 #box .item{
 height:80px;
 border-bottom:dashed 1px lightgrey
 }
 #box .c1{
 height:30px;
 }
 #box .c1 span{
 float:left;
 }
 #box .c1 a{
 float:right;
 margin-right:20px;
 text-decoration: none;
 color:black;
 }
 
 </style>
 </head>
 <body>
 <div>
 Say something...
 </div>
 <div>
 <input type="text" placeholder="Hong Qigong" id="txt1"/>
 </div>
 <div>
 <textarea name="" id="txt2" maxlength="10"></textarea>
 </div>
 <div id="div3">
 <span id="span1">You can also enter <span id="span2">10</span> characters</span>
 <input type="button" value = "Publish" id="btn"/>
 </div>
 <div>
 <div>Everyone is talking</div>
 </div>
 <div id="box">
 <div class = "item">
 <div class = "c1">
  <span>Qiao Feng:</span>
  <span>Today............</span>
  <a href = "#">Delete</a>
 </div>
 <div>01 January 4th 01:28</div>
 </div>
 <div class = "item">
 <div class = "c1">
  <span>Qiao Feng:</span>
  <span>Today............</span>
  <a href = "#">Delete</a>
 </div>
 <div>01 January 4th 01:28</div>
 </div>
 </div>
 </body>
 <script type="text/javascript">
 //Get the button var btn = document.getElementById("btn");
 var box = document.getElementById("box");
 var txt1 = document.getElementById("txt1");
 var txt2 = document.getElementById("txt2");
 
 btn.onclick = function () {
 //console.log(this);
 var divItem = document.createElement("div");
 divItem.className = "item";
 //box.appendChild(divItem);//Append nodebox.insertBefore(divItem, box.firstChild);//Insert nodevar div1 = document.createElement("div");
 div1.className = "c1";
 var div2 = document.createElement("div");
 divItem.appendChild(div1);
 divItem.appendChild(div2);
 
 //Set the content of the first div var span1 = document.createElement("span");
 div1.appendChild(span1);
 span1.innerHTML = txt1.value + " : ";
 
 var span2 = document.createElement("span");
 div1.appendChild(span2);
 span2.innerHTML = txt2.value;
 
 var a = document.createElement("a");
 a.href = "#";
 a.innerHTML = "delete";
 div1.appendChild(a);
 //a's deletion event a.onclick = function () {
  this.parentNode.parentNode.remove();
 }
 
 var date = new Date();
 //var str = date.toLocaleString();
 var m = date.getMonth() + 1;
 var d = date.getDate();
 var h = date.getHours();
 var m2 = date.getMinutes();
 m = fun1(m);
 d = fun1(d);
 h = fun1(h);
 m2 = fun1(m2);
 
 var str = m + "month" + d + "day" + h + ":" + m2;
 
 div2.innerHTML = str;
 
 }
 
 //Encapsulate a date formatting function function fun1(x) {
 if (x < 10) {
  return "0" + x;
 }
 return x;
 }
 
 var span2 = document.getElementById("span2");
 txt2.onkeyup = function () {
 var str = this.value;
 console.log(str.length);
 span2.innerHTML = 10 - str.length;
 }
 


 </script>
</html>

The above is the full content of this article. I hope it will be helpful for everyone’s study. I also hope that everyone will support 123WORDPRESS.COM.

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