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<!DOCTYPE html> <html lang="en"> <head> <meta name="apple-mobile-web-app-capable" content="yes" /> <meta name="apple-mobile-web-app-status-bar-style" content="black" /> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <meta content="width=device-width,initial-scale=1.0,maximum-scale=1.0,user-scalable=0" name="viewport" /> <meta content="telephone=no" name="format-detection" /> <title>移动端不允许提交emoji表情判断</title> <style> *{ padding:0; margin:0; } .emoji_box{ padding:10px; } textarea{ width:100%; height:100px; } input{ width:100%; height:30px; } </style> </head> <body> <div class="emoji_box"> <!-- <form action="emoji.php"> --> <textarea name="text" id="text"></textarea> <input type="submit" value="提交" id="btn"> <!-- </form> --> </div> <script type="text/javascript"> var btn = document.getElementById(‘btn‘) , text = document.getElementById(‘text‘) ; btn.onclick = function(){ var val = escape( text.value ).toLocaleLowerCase() ; if( val.match(/(\%\ue[0-9a-f]{3})|(\%\ud[0-9a-f]{3})/) ){ alert(‘不允许提交表情‘); }else{ alert(‘提交‘) } } </script> </body> </html>
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原文地址：http://www.cnblogs.com/zion0707/p/5461160.html
