div + css + js 打造HTML的tab控件
代码如下:
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注意点:
1:ul的line-height设置为0,但padding-bottom设置为文字显示的高度;同时,list-style属性必须设置为none;
2:li的float属性设置为left;line-height必须设置为ul的padding-bottom高度减去li的border-bottom的宽度;padding设置为0;margin-top与margin-bottom俱都设置为0;
3:tab_content(即<div id="tab_content">)的border-top设置为0,该边框由ul的border-bottom代替;其margin-top也需设置为0;
4:ul和tab_content的宽度或者margin-left和margin-right保持一致;
5:当鼠标点击li时,只需设置该li的背景色、该li的border-bottom和tab_content的背景色保持相同即可。