js 过滤敏感词

< html >

< head >

     < title >Bad Words Example</ title >

     < script type = "text/javascript" >

 

             function filterText(sText) {

                 var reBadWords = /badword|anotherbadword/gi;

                 return sText.replace(reBadWords, "****");

             }

 

             function showText() {

                 var oInput1 = document.getElementById("txt1");

                 var oInput2 = document.getElementById("txt2");

                 oInput2.value = filterText(oInput1.value);

             }

     </ script >

</ head >

< body >

     < P >

     < textarea rows = "10" cols = "50" id = "txt1" >badword anotherbadword</ textarea >< br />

     < input type = "button" value = "Filter Bad Words" onclick = "showText()" /></ p >

     < P >Filtered Text:< br />

     < textarea rows = "10" cols = "50" id = "txt2" ></ textarea ></ p >

 

</ body >