ios隐藏软键盘

 1 //判断是否为苹果
 2 var isIPHONE = navigator.userAgent.toUpperCase().indexOf('IPHONE')!= -1;
 3  
 4 // 元素失去焦点隐藏iphone的软键盘
 5 function objBlur(id,time){
 6     if(typeof id != 'string') throw new Error('objBlur()参数错误');
 7     var obj = document.getElementById(id),
 8         time = time || 300,
 9         docTouchend = function(event){
10             if(event.target!= obj){
11                 setTimeout(function(){
12                      obj.blur();
13                     document.removeEventListener('touchend', docTouchend,false);
14                 },time);
15             }
16         };
17     if(obj){
18         obj.addEventListener('focus', function(){
19             document.addEventListener('touchend', docTouchend,false);
20         },false);
21     }else{
22         throw new Error('objBlur()没有找到元素');
23     }
24 }
25  
26 if(isIPHONE){
27     var input = new objBlur('input_id');
28     input = null;
29 }