回答編集履歴
1
CHOUSEI
test
CHANGED
|
@@ -69,3 +69,49 @@
|
|
|
69
69
|
<input type="button" class="sample_btn" value="送信する">
|
|
70
70
|
|
|
71
71
|
```
|
|
72
|
+
|
|
73
|
+
|
|
74
|
+
|
|
75
|
+
# 改行を2文字
|
|
76
|
+
|
|
77
|
+
|
|
78
|
+
|
|
79
|
+
```javascript
|
|
80
|
+
|
|
81
|
+
$(function(){
|
|
82
|
+
|
|
83
|
+
$('textarea').on('input',function(){
|
|
84
|
+
|
|
85
|
+
var val=$(this).val();
|
|
86
|
+
|
|
87
|
+
var reg=val.match(/\n/g)||[];
|
|
88
|
+
|
|
89
|
+
var len=val.length+reg.length;
|
|
90
|
+
|
|
91
|
+
(dom=$(this).nextAll('[data-count]')).text("現在の文字数:"+len+"/最大:"+dom.data('count'));
|
|
92
|
+
|
|
93
|
+
var flg=$('[data-count]').filter(function(){
|
|
94
|
+
|
|
95
|
+
var count=$(this).data('count');
|
|
96
|
+
|
|
97
|
+
var val=$(this).prevAll('textarea').val();
|
|
98
|
+
|
|
99
|
+
var reg=val.match(/\n/g)||[];
|
|
100
|
+
|
|
101
|
+
var len=val.length+reg.length;
|
|
102
|
+
|
|
103
|
+
if(r=v.match(/\n/g)) len+=r.length;
|
|
104
|
+
|
|
105
|
+
return count<len;
|
|
106
|
+
|
|
107
|
+
}).length>0;
|
|
108
|
+
|
|
109
|
+
$('.sample_btn').prop('disabled',flg);
|
|
110
|
+
|
|
111
|
+
});
|
|
112
|
+
|
|
113
|
+
});
|
|
114
|
+
|
|
115
|
+
|
|
116
|
+
|
|
117
|
+
```
|