测试可运行代码

<textarea style="width: 450; height: 300" id="theCode" title="双击运行代码" ondblclick="runCode('theCode');"> 这里放入运行的Html代码。 </textarea> <script type="text/javascript"> //执行代码 function runCode(obj) { var winname = window.open('', "_blank", ''); var content = document.getElementById(obj).value; winname.document.open('text/html', 'replace'); winname.opener = null winname.document.writeln(content); winname.document.close(); } //复制代码 function doCopy(obj){ var codeObj = document.getElementById(obj); clipboardData.setData('text', codeObj.innerText); alert('已经复制代码'); } // 另存为文件 function doSave(obj, filename){ var win = window.open('', '_blank', 'top=10000'); var code = document.getElementById(obj).innerText; win.opener = null; win.document.write(code); win.document.execCommand('saveas', true, filename); win.close(); } </script>

转载于:https://www.cnblogs.com/a6948076/p/9767596.html