js实现运行、全选、复制、保存代码程序
来源:自学PHP网
时间:2014-09-19 14:47 作者:
阅读:次
[导读] 本文章来给大家详细介绍关于在js实现运行、全选、复制、保存代码程序效果代码,我们会在很多js特效网站看到直接可以在页面中运行js代码了,下面我介绍的这些代码也就可以完全实...
html代码
代码如下 |
复制代码 |
<textarea name="content" id="content">
这里放你要运行js,html代码
</textarea>
<input type="button" name="Submit" value="运行代码" onclick="runCode('content')"/>
<input type="button" name="Submit3" value="全选代码" onclick="$('content').select();" />
<input type="button" name="Submit4" value="复制代码" onclick="oCopy('content')" />
<input type="button" name="Submit2" value="保存代码" onclick="saveCode('content')" />
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js代码
代码如下 |
复制代码 |
<script>
var lang = new Array();
var userAgent = navigator.userAgent.toLowerCase();
var is_opera = userAgent.indexOf('opera') != -1 && opera.version();
var is_moz = (navigator.product == 'Gecko') && userAgent.substr(userAgent.indexOf('firefox') + 8, 3);
var is_ie = (userAgent.indexOf('msie') != -1 && !is_opera) && userAgent.substr(userAgent.indexOf('msie') + 5, 3);
Array.prototype.push = function(value) {
this[this.length] = value;
return this.length;
}
function $(objname){return document.getElementById(objname);}
function runCode(objname) {
var winname = window.open('', "_blank", '');
var obj = $(objname);
winname.document.open('text/html', 'replace');
winname.opener = null // 防止代码对论谈页面修改
winname.document.write(obj.value);
winname.document.close();
}
function saveCode(objname){
var winname = window.open('', '_blank', 'top=10000');
winname.document.open('text/html', 'replace');
var obj = $(objname);
winname.document.write(obj.value);
winname.document.execCommand('saveas','','code.htm');
winname.close();
}
function oCopy(objname){
var obj = $(objname);
obj.select();
js=obj.createTextRange();
js.execCommand("Copy");
alert("www.111cn.net提示:代码已经被成功复制!");
}
</script>
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