js- textarea placeholder 换行显示

Posted on 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
var placeholder = "This is a line \nthis should be a new line"
$(document).ready(function(){
  if($('#recruit_info_jd').val() == ''){ 
    $('#recruit_info_jd').val(placeholder)
    $('#recruit_info_jd').css('color', "#999")
  }
}
$('#recruit_info_jd').focus(function(){ 
  if($(this).val() === placeholder){
    $(this).val('');
    $(this).css('color', '#404040');
  }
}); 
$('#recruit_info_jd').blur(function(){
  if($(this).val() ===''){ 
    $(this).val(placeholder);
    $('#recruit_info_jd').css('color', "#999") 
  }
});