js如何获取键盘高度
在移动端或混合app开发中,js如何获取键盘高度,直接贴上代码吧
input是一个html input 标签
1 var timer = { 2 id:null, 3 run:function (callback,time) { 4 this.id = window.setInterval(callback,time); 5 }, 6 clean:function () { 7 var that = this; 8 this.id = window.clearInterval(that.id); 9 } 10 }; 11 var keyboardHeight = 0,screenHeight = window.innerHeight; 12 input.addEventListener('focus',function (evt) { 13 if(!keyboardHeight){ 14 timer.run(function () { 15 if (screenHeight !== window.innerHeight) { 16 keyboardHeight = screenHeight-window.innerHeight; 17 timer.clean() 18 } 19 }, 50) 20 } 21 }); 22 input.focus();