一个过滤特殊字符的JS

约定不等于承诺〃 2022-01-05 20:49 278阅读 0赞

<script language="javascript">
    function checkForms()
    {
       var iu, iuu, regArray=new Array("◎","■","●","№","↑","→","↓"+
       "!","@","#","$","%","^","&","*","(",")","_","-","+","=","|","","[","]","？","~","`"+
       "!","<",">","‰","→","←","↑","↓","¤","§","＃","＆","＆","＼","≡","≠"+
       "≈","∈","∪","∏","∑","∧","∨","⊥","‖","‖","∠","⊙","≌","≌","√","∝","∞","∮"+
       "∫","≯","≮","＞","≥","≤","≠","±","＋","÷","×","/","Ⅱ","Ⅰ","Ⅲ","Ⅳ","Ⅴ","Ⅵ","Ⅶ","Ⅷ","Ⅹ","Ⅻ","一","二"+
       "╄","╅","╇","┻","┻","┇","┭","┷","┦","┣","┝","┤","┷","┷","┹","╉","╇","【","】"+
       "三","四","五","六","七","八","九","十","①","②","③","④","⑤","⑥","⑦","⑧","⑨","⑩","┌","├","┬","┼","┍","┕","┗","┏","┅","—"+
       "〖","〗","←","〓","☆","§","□","‰","◇","＾","＠","△","▲","＃","℃","※",".","≈","￠");
       iuu=regArray.length;
       var obj=document.getElementById("username");
       if(obj.value=="")
       {
         alert("用户名不能为空");
          obj.focus();
          return false;
       }
       for(iu=1;iu<=iuu;iu++)
       {  
          if(regArray[iu] !="")
           {
              if (obj.value.indexOf(regArray[iu])!=-1)
               {
                 alert("注册名不可以包含：" + regArray[iu]);
                 document.Gforms.username.focus();
                 return false;
              }
            }
       }
       return true;             
    }
    </script>

<form method="post" onSubmit="return checkForms();">
    
            
    
    请输入用户名:<input type="text" name="username">
    
    <input type="submit" name="Submit" value="提交">
    
    </form>

![123.jpg][]

转载于:https://www.cnblogs.com/Codenewbie/p/3642043.html

[123.jpg]: /images/20211228/f10f2eb073384833b9a9cbf9f32e6f05.png

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