js内\n替换为<br/>

<script type=“text/javascript">
$(document).ready(function(){
var content=$("#adesc").html(); 
content=content.replaceAll('\n','<br/>'); 
 
$("#adesc").html(content);
});
 
String.prototype.replaceAll  = function(s1,s2){   
return this.replace(new RegExp(s1,"gm"),s2);   
 
}
</script>