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2024前端开发工E师高频面试题合?PDF 下蝲

 
 
相关截图Q?/strong>
 


主要内容Q?/strong>


1.html5新特?/strong>
"
语义化标{。?/span>header?/span>nav?/span>footer?/span>aside?/span>article?/span>section?/span>
q频、视?/span>API。?/span>audio?/span>video?/span>
input?/span>type新类型。?/span>calendar?/span>data?/span>time?/span>email?/span>url?/span>search?/span>
input的新属性。?/span>required?/span>placeholder?/span>autofocus?/span>multiple?/span>autocomplete?/span>
本地存储localStorage?/span>sessionStorage?/span>localStorage览器关闭后不丢失，sessionStorage览器关闭后
修饰
拖拽释放API、画?/span>API、地?/span>API、新?/span>webworder?/span>webscoket?/span>geolocation
 
2.怪异盒模?/strong>
"
提问Q?/strong>盒模型宽度如何计？计算时有什么区别？有哪两种情况
回答Q?/strong>普通盒模型和怪异盒模型两U，普通的宽度?/span>width+padding+borderQ怪异的是?/span>padding?/span>border郝
?/span>widthq⾯?/span>
普通盒模型
默认盒u属性：(x)box-sizing: content-box;
offsetWidth = (width + padding + border) 不算margin
 


 
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