JS implements an example of HTML code preview function that can directly display the running effect of web page code

JS implements an example of HTML code preview function that can directly display the running effect of web page code_javascript skills

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Release： 2016-05-16 15:46:34

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The example in this article describes the JS implementation of the HTML code preview function that can directly display the running effect of the web page code. Share it with everyone for your reference. The details are as follows:

JavaScript implements the HTML code preview function, which directly displays the effect of code running on the web page, such as the effect after clicking "Run Code". When using it, you only need to copy the HTML code that needs to be run into the text box and click Just click the corresponding function button.

The operation effect is as shown below:

The specific code is as follows:

<HTML>
<HEAD>
<TITLE>直接页面显示器</TITLE>
<STYLE type="text/css">
BODY{MARGIN-TOP: 0px;FONT-SIZE: 9pt;MARGIN-LEFT: 4px;MARGIN-RIGHT: 0px;FONT-FAMILY: "微软雅黑"}
A{FONT-WEIGHT: 400;FONT-SIZE: 13px;COLOR: black;TEXT-DECORATION: none}
A: hover{FONT-WEIGHT: 400;FONT-SIZE: 13px;COLOR: red;TEXT-DECORATION: underline}
A: active{CURSOR: hand;COLOR: #ff0033}
.STYLE1{color: #0000FF;font-size: 40px;}
.STYLE2{font-weight: bold;font-size: 30px;}
</STYLE>
<META http-equiv=Content-Type content="text/html; charset=gb2312">
</HEAD>
<BODY>
<CENTER>
 <span class="STYLE1"><FONT face=隶书>直接页面显示器</FONT></span>
</CENTER><BR>
<CENTER>
<TABLE style="BORDER-COLLAPSE: collapse" borderColor=#111111 cellSpacing=0 
cellPadding=0 border=0 borderlight="green">
 <TBODY>
 <TR>
  <TD align=middle><span class="STYLE2"><FONT color=red>请在下面窗口中输入HTML代码</FONT></span></TD>
 </TR>
 <TR>
  <TD align=middle>
<SCRIPT language=JavaScript>
function trestart(){
  if (script) {
  clear = confirm("确定要清除吗？",'');
  if(clear) {
  document.script.reset();
  document.script.value = "";
 }
 }
} 
function test(){
 {
 temp = document.script.tester.value;
 testwin= open("", "testwin","status=no,menubar=yes,toolbar=no");
 testwin.document.open();
 testwin.document.write(temp);
 testwin.document.close();
 }
}
function about(){
 alert("HTML代码直接显示出页面来")
}
function help(){ 
 OpenWindow=window.open("", "newwin","height=220,width=470,toolbar=no,scrollbars="+scroll+",menubar=no");
 OpenWindow.document.write("<body bgcolor='white' text='black' alink='blue'vlink='blue' link='blue'><TITLE>帮助信息</TITLE>")
 OpenWindow.document.write("<center>你只要把你想显示的代码放到上页的输入框中，你自己也可以写代码，按显示键就能显示你的页面内容</center><br>")
 OpenWindow.document.write("<center><a href='javascript:close()'>关闭本窗口</a></Center>")
 OpenWindow.document.close()
 self.name="main"
}
</SCRIPT>
   <FORM name=script><TEXTAREA name=tester rows=8 wrap=off cols=50></TEXTAREA> <BR><INPUT onclick=test() type=button value=显示>   <INPUT onclick=trestart() type=button value=清除>   <INPUT onclick=about() type=button value=关于>   <INPUT onclick=help() type=button value=帮助> 
</FORM></TD></TR></TBODY></TABLE></CENTER>
<CENTER>
<DIV align=center>
<CENTER>
<TABLE id=AutoNumber1 style="BORDER-COLLAPSE: collapse" borderColor=#111111 
cellSpacing=0 cellPadding=0 width=360 border=0>
 <TBODY>
 <TR>
  <TD>
   <P align=left><SPAN style="FONT-SIZE: 9pt">将下面代码复制到输入框试试<BR><FONT 
   color=#ff0033><BR><html><BR><head><BR><title>你好</title><BR></head><BR><BR><body><BR>
      你好，欢迎光临脚本之家网页特效栏目！<BR>
   </body><BR><BR></html></FONT></SPAN></P></TD></TR></TBODY></TABLE></CENTER></DIV>
</BODY>
</HTML>

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I hope this article will be helpful to everyone’s JavaScript programming design.