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如何解决IE11浏览器input框Backspace键回退页面问题？想删除输入框的内容就回退页面了。
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$('input').on('keydown',function(e){ var keycode = e.which || e.keyCode; if(keycode == 8){ e.preventDefault(); e.stopPropgation(); var str = $(e.currentTarget).val(); $(e.currentTarget).val(str.substr(0,str.length-1)) } })
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![[Web front-end] Node.js quick start](https://img.php.cn/upload/course/000/000/067/662b5d34ba7c0227.png)
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