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\n

\n \u65b0\u4eba\u5165\u5708 <\/span> \ud83d\udc49 <\/span> \u70b9\u51fb\u8fd9\u91cc <\/a> \ud83d\udc48 <\/span><\/p>\n

\n \uff08\u5907\u7528\u5fae\u4fe1\u53f7\uff1a dom<\/a>sm789 <\/span> \uff09<\/div>\n

<\/p>\n

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document.querySelector('.btn').innerText = '\u70b9\u51fb\u6211\uff01';<\/code><\/pre>\n
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\"\u201c\u63a2\u7d22DOM\u4e16\u754c\u201d\u65b0\u624b\u5165\u95e8\u5fc5\u77e5\u7684\u6280\u5de7\u4e0e\u6ce8\u610f\u4e8b\u9879<\/div><\/figure>\n
document.querySelector('.btn').addEventListener('click', function() {\n
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});<\/code><\/pre>\n<\/p>\n
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