get() //把jq转成原生
$(‘div’).get().innerHTML;
$(‘li’).get(2) == $(‘li’)[2]
offsetWidth //原生获取不到隐藏的元素宽度
outerWidth(); //可以获取隐藏的元素宽度
<div>div1<span>span</span></div>
text(); //div1span
html(); //div1<span>span</span>
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