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<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <meta http-equiv 阅读全文
posted @ 2022-05-23 13:48
hi123hi159
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<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <meta http-equiv 阅读全文
posted @ 2022-05-23 13:47
hi123hi159
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<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <meta http-equiv 阅读全文
posted @ 2022-05-23 13:46
hi123hi159
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<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <meta http-equiv 阅读全文
posted @ 2022-05-23 13:35
hi123hi159
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<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <meta http-equiv 阅读全文
posted @ 2022-05-23 11:37
hi123hi159
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<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <meta http-equiv 阅读全文
posted @ 2022-05-23 09:53
hi123hi159
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<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <meta http-equiv 阅读全文
posted @ 2022-05-23 07:53
hi123hi159
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// 1. 创建节点元素节点 var li = document.createElement('li'); // 2. 添加节点 node.appendChild(child) node 父级 child 是子级 后面追加元素 类似于数组中的push var ul = document.queryS 阅读全文
posted @ 2022-05-23 07:50
hi123hi159
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// 1. 获取元素 var nav = document.querySelector('.nav'); var lis = nav.children; //得到4个小li // 2.循环注册事件 for(var i=0;i<lis.length;i++){ lis[i].onmouseover = 阅读全文
posted @ 2022-05-23 07:18
hi123hi159
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什么是节点? 网页中所有的元素都是节点(标签,属性,文本,注释等) // 1. 父节点 parentNode var erweima = document.querySelector('.erweima'); // var box = document.querySelector('.box'); 阅读全文
posted @ 2022-05-23 06:46
hi123hi159
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//设置自定义属性 setAttribute('index',i); //获取自定义属性 getAttribute div.getAttribute('getTime'); //自定义属性规范 data-开头 //直接在html里加 data-index="2" //通过js加自定义属性 setAt 阅读全文
posted @ 2022-05-23 05:44
hi123hi159
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