{"id":2014,"date":"2022-12-02T16:47:27","date_gmt":"2022-12-02T08:47:27","guid":{"rendered":"https:\/\/qaqaq.top\/?p=2014"},"modified":"2022-12-19T20:29:40","modified_gmt":"2022-12-19T12:29:40","slug":"javascript-%e9%aa%8c%e8%af%81%e7%94%a8%e6%88%b7%e5%90%8d%e6%98%af%e5%90%a6%e6%9c%89%e6%95%88%e3%80%81javascript-%e6%ad%a3%e5%88%99%e8%a1%a8%e8%be%be%e5%bc%8f%e5%af%b9%e8%b1%a1%e3%80%81javascript","status":"publish","type":"post","link":"https:\/\/qaqaq.top\/?p=2014","title":{"rendered":"JavaScript-\u9a8c\u8bc1\u7528\u6237\u540d\u662f\u5426\u6709\u6548\u3001\u6b63\u5219\u8868\u8fbe\u5f0f\u5bf9\u8c61\u3001\u4e24\u79cd\u5e38\u89c1\u7684\u9a8c\u8bc1\u63d0\u793a\u6548\u679c\u3001getElementsByName\u65b9\u6cd5\u3001getElementsByTagName\u65b9\u6cd5\u3001dom\u5bf9\u8c61\u67e5\u8be2\u7ec3\u4e60\u3001document\u5bf9\u8c61\u8865\u5145\u8bf4\u660e"},"content":{"rendered":"\n

JavaScript-\u9a8c\u8bc1\u7528\u6237\u540d\u662f\u5426\u6709\u6548\u3001JavaScript-\u4e24\u79cd\u5e38\u89c1\u7684\u9a8c\u8bc1\u63d0\u793a\u6548\u679c<\/p>\n\n\n\n

<!DOCTYPE html>\n<html lang=\"en\">\n<head>\n    <meta charset=\"UTF-8\">\n    <title>Title<\/title>\n    <script type=\"text\/javascript\">\n        \/*\n        \u9700\u6c42\uff1a\u5f53\u7528\u6237\u70b9\u51fb\u4e86\u6821\u9a8c\u6309\u94ae\uff0c\u8981\u83b7\u53d6\u8f93\u5165\u6846\u4e2d\u7684\u5185\u5bb9\u3002\u7136\u540e\u9a8c\u8bc1\u5176\u662f\u5426\u5408\u6cd5\u3002\n        \u9a8c\u8bc1\u7684\u89c4\u5219\u662f\uff1a\u5fc5\u987b\u7531\u5b57\u6bcd\uff0c\u6570\u5b57\uff0c\u4e0b\u5212\u7ebf\u7ec4\u6210\u3002\u5e76\u4e14\u957f\u5ea6\u662f5\u523012\u4f4d\u3002\n         *\/\n        function onclickFun(){\n            \/\/ 1. \u5f53\u6211\u4eec\u8981\u64cd\u4f5c\u4e00\u4e2a\u6807\u7b7e\u7684\u65f6\u5019\uff0c\u4e00\u5b9a\u8981\u5148\u83b7\u53d6\u8fd9\u4e2a\u6807\u7b7e\u5bf9\u8c61\u3002\n            var usernameObj = document.getElementById(\"username\");\n            alert(usernameObj);\n            \/\/ [object HTMLInputElement] \u5b83\u5c31\u662fdom\u5bf9\u8c61\n            \/\/ alert(usernameObj.id);\n            \/\/ alert(usernameObj.type);\n            \/\/ alert(usernameObj.value);\n\n            var usernameText = usernameObj.value\n            \/\/ \u5982\u4f55 \u9a8c\u8bc1 \u5b57\u7b26\u4e32\uff0c\u7b26\u5408\u67d0\u4e2a\u89c4\u5219\uff0c\u9700\u8981\u4f7f\u7528\u6b63\u5219\u8868\u8fbe\u5f0f\u6280\u672f\n            var patt = \/^\\w{5,12}$\/;\n            \/*\n            test()\u65b9\u6cd5\u7528\u4e8e\u6d4b\u8bd5\u67d0\u4e2a\u5b57\u7b26\u4e32\uff0c\u662f\u4e0d\u662f\u5339\u914d\u6211\u7684\u89c4\u5219\uff0c\n            \u5339\u914d\u5c31\u8fd4\u56detrue\uff0c\u4e0d\u5339\u914d\u5c31\u8fd4\u56defalse\u3002\n             *\/\n\n            var usernameSpanObj = document.getElementById(\"usernameSpan\");\n            \/\/ innerHTML \u8868\u793a\u8d77\u59cb\u6807\u7b7e\u548c\u7ed3\u675f\u6807\u7b7e\u4e2d\u7684\u5185\u5bb9\n            \/\/ innerHTML \u8fd9\u4e2a\u5c5e\u6027\u53ef\u8bfb\uff0c\u53ef\u5199\n            alert(usernameSpanObj.innerHTML)\n            \/\/ usernameSpanObj.innerHTML = \"\u6211\u771f\u597d\u770b\uff01\"\n\n\n            if (patt.test(usernameText)){\n                \/\/ alert(\"\u7528\u6237\u540d\u5408\u6cd5\uff01\");\n                \/\/ usernameSpanObj.innerHTML = \"\u7528\u6237\u540d\u5408\u6cd5\uff01\"\n                usernameSpanObj.innerHTML = \"<img src=\\\"right.png\\\" width=\\\"18\\\" height=\\\"18\\\"\/>\"\n            } else {\n                \/\/ alert(\"\u7528\u6237\u540d\u4e0d\u5408\u6cd5\uff01\")\n                \/\/ usernameSpanObj.innerHTML = \"\u7528\u6237\u540d\u4e0d\u5408\u6cd5\uff01\"\n                usernameSpanObj.innerHTML = \"<img src=\\\"right.png\\\" width=\\\"18\\\" height=\\\"18\\\"\/>\"\n            }\n        }\n    <\/script>\n<\/head>\n<body>\n    \u7528\u6237\u540d\uff1a<input type=\"text\" id=\"username\" value=\"wsc\"\/>\n    <span id=\"usernameSpan\" style=\"color: red\">\n        \n    <\/span>\n    <button onclick=\"onclickFun()\">\u6821\u9a8c<\/button>\n<\/body>\n<\/html><\/code><\/pre>\n\n\n\n
JavaScript-\u6b63\u5219\u8868\u8fbe\u5f0f\u5bf9\u8c61<\/p>\n\n\n\n
<!DOCTYPE html>\n<html lang=\"en\">\n<head>\n    <meta charset=\"UTF-8\">\n    <title>Title<\/title>\n    <script type=\"text\/javascript\">\n        \/\/ \u8868\u793a\u8981\u6c42\u5b57\u7b26\u4e32\u4e2d\uff0c\u662f\u5426\u5305\u542b\u5b57\u6bcde\n        var patt = new RegExp(\"e\");\n        var patt = \/e\/;\/\/ \u4e5f\u662f\u6b63\u5219\u8868\u8fbe\u5f0f\u5bf9\u8c61\n        \/\/ \u8868\u793a\u8981\u6c42\u5b57\u7b26\u4e32\u4e2d\uff0c\u662f\u5426\u5305\u542b\u5b57\u6bcda\u6216b\u6216c\n        var patt = \/[abc]\/;\n        \/\/ \u8868\u793a\u8981\u6c42\u5b57\u7b26\u4e32\uff0c\u662f\u5426\u5305\u542b\u4efb\u610f\u5c0f\u5199\u5b57\u6bcd\n        var patt = \/[a-z]\/;\n        \/\/ \u8868\u793a\u8981\u6c42\u5b57\u7b26\u4e32\uff0c\u662f\u5426\u5305\u542b\u4efb\u610f\u5927\u5199\u5b57\u6bcd\n        var patt = \/[A-Z]\/;\n        \/\/ \u8868\u793a\u8981\u6c42\u5b57\u7b26\u4e32\uff0c\u662f\u5426\u5305\u542b\u4efb\u610f\u6570\u5b57\n        var patt = \/[0-9]\/;\n\n        \/\/ \u8868\u793a\u8981\u6c42\u5b57\u7b26\u4e32\uff0c\u662f\u5426\u5305\u542b\u5b57\u6bcd\uff0c\u6570\u5b57\uff0c\u4e0b\u5212\u7ebf\n        var patt = \/\\w\/;\n        \/\/ \u8868\u793a\u8981\u6c42 \u5b57\u7b26\u4e32\u4e2d\u662f\u5426\u5305\u542b\u81f3\u5c11\u4e00\u4e2aa\n        var patt = \/a+\/;\n        \/\/ \u8868\u793a\u8981\u6c42 \u5b57\u7b26\u4e32\u4e2d\u662f\u5426 *\u5305\u542b* \u96f6\u4e2a \u6216 \u591a\u4e2aa\n        var patt = \/a*\/;\n        \/\/ \u8868\u793a\u8981\u6c42 \u5b57\u7b26\u4e32\u662f\u5426\u5305\u542b\u4e00\u4e2a\u6216\u96f6\u4e2aa\n        var patt = \/a?\/;\n        \/\/ \u8868\u793a\u8981\u6c42 \u5b57\u7b26\u4e32\u662f\u5426\u5305\u542b\u8fde\u7eed\u4e09\u4e2aa\n        var patt = \/a{3}\/;\n        \/\/ \u8868\u793a\u8981\u6c42 \u5b57\u7b26\u4e32\u662f\u5426\u5305\u542b \u81f3\u5c113\u4e2a\u8fde\u7eed\u7684a\uff0c\u6700\u591a5\u4e2a\u8fde\u7eed\u7684a   \u5305\u542b\uff1a\u6700\u5c0f\u6761\u4ef6\u6ee1\u8db3 \u4e0d\u68c0\u67e5\n        var patt = \/a{3,5}\/;\n        \/\/ \u8868\u793a\u8981\u6c42 \u5b57\u7b26\u4e32 \u81f3\u5c113\u4e2a\u8fde\u7eed\u7684a\n        var patt = \/a{3,}\/;\n        \/\/ \u8868\u793a\u8981\u6c42 \u5b57\u7b26\u4e32\u5fc5\u987b\u4ee5a\u7ed3\u5c3e\n        var patt = \/a$\/;\n        \/\/ \u8868\u793a\u8981\u6c42 \u5b57\u7b26\u4e32\u5fc5\u987b\u4ee5a\u5f00\u5934\n        var patt = \/^a\/;\n\n        \/\/ \u8981\u6c42\u5b57\u7b26\u4e32\u4e2d\u662f\u5426\"\u5305\u542b\" \u81f3\u5c113\u4e2a\u8fde\u7eed\u7684a\n        var patt = \/a{3,5}\/;\n        \/\/ \u8981\u6c42\u5b57\u7b26\u4e32\uff0c\u4ece\u5934\u5230\u5c3e\u90fd\u5fc5\u987b\u5b8c\u5168\u5339\u914d\n        var patt = \/^a{3,5}$\/;\n\n        var patt = \/^\\w{5,12}$\/;\n\n        alert(patt);\n\n        var str = \"wzg168\";\n\n        alert(patt.test(str));\n\n        \/\/ \u95ee\u9898\uff1avar patt = \/a{3,5}\/;\u6700\u5927\u4ec0\u4e48\u65f6\u5019\u6709\u7528\uff1f\n\n    <\/script>\n<\/head>\n<body>\n\n<\/body>\n<\/html><\/code><\/pre>\n\n\n\n
JavaScript-getElementsByName\u65b9\u6cd5<\/p>\n\n\n\n
<!DOCTYPE html>\n<html lang=\"en\">\n<head>\n    <meta charset=\"UTF-8\">\n    <title>Title<\/title>\n    <script type=\"text\/javascript\">\n        \/\/ \u5168\u9009\n        function checkAll() {\n            \/\/ \u8ba9\u6240\u6709\u590d\u9009\u6846\u90fd\u9009\u4e2d\n            \/\/ document.getElementsByName(); \u662f\u6839\u636e \u6307\u5b9a\u7684name\u5c5e\u6027\u67e5\u8be2\u8fd4\u56de\u591a\u4e2a\u6807\u7b7e\u5bf9\u8c61\u96c6\u5408\n            \/\/ \u8fd9\u4e2a\u96c6\u5408\u7684\u64cd\u4f5c\u8ddf\u6570\u7ec4 \u4e00\u6837\n            \/\/ \u96c6\u5408\u4e2d\u6bcf\u4e2a\u5143\u7d20\u90fd\u662fdom\u5bf9\u8c61\n            \/\/ \u8fd9\u4e2a\u96c6\u5408\u4e2d\u7684\u5143\u7d20\u987a\u5e8f\u662f\u4ed6\u4eec\u5728html\u9875\u9762\u4e2d\u4ece\u4e0a\u5230\u4e0b\u7684\u987a\u5e8f\n            var hobbies = document.getElementsByName(\"hobby\");\n            \/\/ checked\u8868\u793a\u590d\u9009\u6846\u7684\u9009\u4e2d\u72b6\u6001\u3002\u5982\u679c\u9009\u4e2d\u662ftrue\uff0c\u4e0d\u9009\u4e2d\u662ffalse\n            \/\/ checked \u8fd9\u4e2a\u5c5e\u6027\u53ef\u8bfb\uff0c\u53ef\u5199\n            for (var i = 0; i < hobbies.length; i++){\n                hobbies[i].checked = true;\n            }\n            \/\/ alert(hobbies[0].checked)\n\n        }\n        \/\/ \u5168\u4e0d\u9009\n        function checkNo() {\n            var hobbies = document.getElementsByName(\"hobby\");\n            \/\/ checked\u8868\u793a\u590d\u9009\u6846\u7684\u9009\u4e2d\u72b6\u6001\u3002\u5982\u679c\u9009\u4e2d\u662ftrue\uff0c\u4e0d\u9009\u4e2d\u662ffalse\n            \/\/ checked \u8fd9\u4e2a\u5c5e\u6027\u53ef\u8bfb\uff0c\u53ef\u5199\n            for (var i = 0; i < hobbies.length; i++){\n                hobbies[i].checked = false;\n            }\n        }\n        \/\/ \u53cd\u9009\n        function checkReverse() {\n            var hobbies = document.getElementsByName(\"hobby\");\n\n            for (var i = 0; i < hobbies.length; i++){\n                hobbies[i].checked = !hobbies[i].checked\n\n                \/\/ if (hobbies[i].checked) {\n                \/\/     hobbies[i].checked = false;\n                \/\/ } else {\n                \/\/     hobbies[i].checked = true;\n                \/\/ }\n            }\n\n        }\n    <\/script>\n<\/head>\n<body>\n    \u5174\u8da3\u7231\u597d\uff1a\n    <input type=\"checkbox\" name=\"hobby\" value=\"cpp\" checked=\"checked\">C++\n    <input type=\"checkbox\" name=\"hobby\" value=\"java\">Java\n    <input type=\"checkbox\" name=\"hobby\" value=\"js\">JavaScript\n    <br\/>\n    <button onclick=\"checkAll()\">\u5168\u9009<\/button>\n    <button onclick=\"checkNo()\">\u5168\u4e0d\u9009<\/button>\n    <button onclick=\"checkReverse()\">\u53cd\u9009<\/button>\n<\/body>\n<\/html><\/code><\/pre>\n\n\n\n
JavaScript-getElementsByTagName\u65b9\u6cd5<\/p>\n\n\n\n
<!DOCTYPE html>\n<html lang=\"en\">\n<head>\n    <meta charset=\"UTF-8\">\n    <title>Title<\/title>\n    <script type=\"text\/javascript\">\n        window.onload = function () {\n            alert(document.getElementById(\"btn01\"));\n        }\n\n        \/\/\u5168\u9009\n        function checkAll() {\n            \/\/ document.getElementsByTagName(\"input\");\n            \/\/ \u662f\u6309\u7167\u6307\u5b9a\u6807\u7b7e\u540d\u6765\u8fdb\u884c\u67e5\u8be2\u5e76\u8fd4\u56de\u96c6\u5408\n            \/\/ \u8fd9\u4e2a\u96c6\u5408\u7684\u64cd\u4f5c\u8ddf\u6570\u7ec4 \u4e00\u6837\n            \/\/ \u96c6\u5408\u4e2d\u90fd\u662fdom\u5bf9\u8c61\n            \/\/ \u96c6\u5408\u4e2d\u5143\u7d20\u987a\u5e8f \u662f\u4ed6\u4eec\u5728html\u9875\u9762\u4e2d\u4ece\u4e0a\u5230\u4e0b\u7684\u987a\u5e8f\n            var inputs = document.getElementsByTagName(\"input\");\n\n            for (var i = 0; i < inputs.length; i++){\n                inputs[i].checked = true;\n            }\n        }\n    <\/script>\n<\/head>\n<body>\n    \u5174\u8da3\u7231\u597d\uff1a\n    <input type=\"checkbox\" value=\"cpp\" checked=\"checked\">C++\n    <input type=\"checkbox\" value=\"java\">Java\n    <input type=\"checkbox\" value=\"js\">JavaScript\n    <br\/>\n    <button id=\"btn01\" onclick=\"checkAll()\">\u5168\u9009<\/button>\n<\/body>\n<\/html><\/code><\/pre>\n\n\n\n
JavaScript-dom\u5bf9\u8c61\u67e5\u8be2\u7ec3\u4e60<\/p>\n\n\n\n
02-JavaScript \u8bed\u8a00\u5165\u95e8<\/p>10.5\u3001\u8282\u70b9\u7684\u5e38\u7528\u5c5e\u6027\u548c\u65b9\u6cd5
\u8282\u70b9\u5c31\u662f\u6807\u7b7e\u5bf9\u8c61
\u65b9\u6cd5\uff1a
\u901a\u8fc7\u5177\u4f53\u7684\u5143\u7d20\u8282\u70b9\u8c03\u7528
getElementsByTagName()
\u65b9\u6cd5\uff0c\u83b7\u53d6\u5f53\u524d\u8282\u70b9\u7684\u6307\u5b9a\u6807\u7b7e\u540d\u5b69\u5b50\u8282\u70b9
appendChild( oChildNode )
\u65b9\u6cd5\uff0c\u53ef\u4ee5\u6dfb\u52a0\u4e00\u4e2a\u5b50\u8282\u70b9\uff0coChildNode \u662f\u8981\u6dfb\u52a0\u7684\u5b69\u5b50\u8282\u70b9
\u5c5e\u6027\uff1a
childNodes
\u5c5e\u6027\uff0c\u83b7\u53d6\u5f53\u524d\u8282\u70b9\u7684\u6240\u6709\u5b50\u8282\u70b9
firstChild
\u5c5e\u6027\uff0c\u83b7\u53d6\u5f53\u524d\u8282\u70b9\u7684\u7b2c\u4e00\u4e2a\u5b50\u8282\u70b9
lastChild
\u5c5e\u6027\uff0c\u83b7\u53d6\u5f53\u524d\u8282\u70b9\u7684\u6700\u540e\u4e00\u4e2a\u5b50\u8282\u70b9
parentNode
\u5c5e\u6027\uff0c\u83b7\u53d6\u5f53\u524d\u8282\u70b9\u7684\u7236\u8282\u70b9
nextSibling
\u5c5e\u6027\uff0c\u83b7\u53d6\u5f53\u524d\u8282\u70b9\u7684\u4e0b\u4e00\u4e2a\u8282\u70b9
previousSibling
\u5c5e\u6027\uff0c\u83b7\u53d6\u5f53\u524d\u8282\u70b9\u7684\u4e0a\u4e00\u4e2a\u8282\u70b9
className
\u7528\u4e8e\u83b7\u53d6\u6216\u8bbe\u7f6e\u6807\u7b7e\u7684 class \u5c5e\u6027\u503c
innerHTML
\u5c5e\u6027\uff0c\u8868\u793a\u83b7\u53d6\/\u8bbe\u7f6e\u8d77\u59cb\u6807\u7b7e\u548c\u7ed3\u675f\u6807\u7b7e\u4e2d\u7684\u5185\u5bb9
innerText
\u5c5e\u6027\uff0c\u8868\u793a\u83b7\u53d6\/\u8bbe\u7f6e\u8d77\u59cb\u6807\u7b7e\u548c\u7ed3\u675f\u6807\u7b7e\u4e2d\u7684\u6587\u672c<\/cite><\/blockquote>\n\n\n\n
<!DOCTYPE html>\n<html>\n<head>\n<meta charset=\"UTF-8\">\n<title>dom\u67e5\u8be2<\/title>\n<link rel=\"stylesheet\" type=\"text\/css\" href=\"style\/css.css\" \/>\n<script type=\"text\/javascript\">\n\twindow.onload = function(){\n\t\t\/\/1.\u67e5\u627e#bj\u8282\u70b9\n\t\tdocument.getElementById(\"btn01\").onclick = function (){\n\t\t\tvar bjObj = document.getElementById(\"bj\");\n\t\t\talert(bjObj.innerHTML)\n\n\t\t}\n\t\t\n\t\t\/\/2.\u67e5\u627e\u6240\u6709li\u8282\u70b9\n\t\tvar btn02Ele = document.getElementById(\"btn02\");\n\t\tbtn02Ele.onclick = function(){\n\t\t\tvar lis = document.getElementsByTagName(\"li\");\n\t\t\talert(lis.length);\n\t\t\t\n\t\t};\n\t\t\/\/3.\u67e5\u627ename=gender\u7684\u6240\u6709\u8282\u70b9\n\t\tvar btn03Ele = document.getElementById(\"btn03\");\n\t\tbtn03Ele.onclick = function(){\n\t\t\tvar genders = document.getElementsByName(\"gender\");\n\t\t\talert(genders.length);\n\t\t\t\n\t\t};\n\t\t\/\/4.\u67e5\u627e#city\u4e0b\u6240\u6709li\u8282\u70b9\n\t\tvar btn04Ele = document.getElementById(\"btn04\");\n\t\tbtn04Ele.onclick = function(){\n\t\t\t\/\/1. \u83b7\u53d6id\u4e3acity\u7684\u8282\u70b9\n\t\t\t\/\/2. \u901a\u8fc7city\u8282\u70b9\uff0cgetElementsByTagName\u6309\u6807\u7b7e\u540d\u67e5\u627e\u5b50\u8282\u70b9\n\t\t\tvar lis = document.getElementById(\"bity\").getElementsByTagName(\"li\");\n\t\t\talert(lis.length);\n\t\t\t\n\t\t};\n\t\t\/\/5.\u8fd4\u56de#city\u7684\u6240\u6709\u5b50\u8282\u70b9\n\t\tvar btn05Ele = document.getElementById(\"btn05\");\n\t\tbtn05Ele.onclick = function(){\n\t\t\t\/\/1. \u83b7\u53d6id\u4e3acity\u7684\u8282\u70b9\n\t\t\t\/\/2. \u901a\u8fc7city\u83b7\u53d6\u6240\u6709\u5b50\u8282\u70b9\n\t\t\talert(document.getElementById(\"city\").childNodes.length)\n\t\t\t\n\t\t};\n\t\t\/\/6.\u8fd4\u56de#phone\u7684\u7b2c\u4e00\u4e2a\u5b50\u8282\u70b9\n\t\tvar btn06Ele = document.getElementById(\"btn06\");\n\t\tbtn06Ele.onclick = function(){\n\t\t\t\/\/ \u67e5\u8be2id\u4e3aphone\u7684\u8282\u70b9\n\t\t\talert(document.getElementById(\"phone\").firstChild.innerHTML);\n\n\t\t};\n\t\t\/\/7.\u8fd4\u56de#bj\u7684\u7236\u8282\u70b9\n\t\tvar btn07Ele = document.getElementById(\"btn07\");\n\t\tbtn07Ele.onclick = function(){\n\t\t\t\/\/1. \u67e5\u627eid\u4e3abj\u7684\u8282\u70b9\n\t\t\tvar bjObj = document.getElementById(\"bj\");\n\t\t\t\/\/2. bj\u8282\u70b9\u83b7\u53d6\u7236\u8282\u70b9\n\t\t\talert(bjObj.parentNode.innerHTML);\n\n\t\t};\n\t\t\/\/8.\u8fd4\u56de#android\u7684\u524d\u4e00\u4e2a\u5144\u5f1f\u8282\u70b9\n\t\tvar btn08Ele = document.getElementById(\"btn08\");\n\t\tbtn08Ele.onclick = function(){\n\t\t\t\/\/ \u83b7\u53d6id\u4e3aandroid\u7684\u8282\u70b9\n\t\t\t\/\/ 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class=\"inner\">\n\t\t<p>\n\t\t\t\u4f60\u559c\u6b22\u54ea\u4e2a\u57ce\u5e02?\n\t\t<\/p>\n\n\t\t<ul id=\"city\">\n\t\t\t<li id=\"bj\">\u5317\u4eac<\/li>\n\t\t\t<li>\u4e0a\u6d77<\/li>\n\t\t\t<li>\u4e1c\u4eac<\/li>\n\t\t\t<li>\u9996\u5c14<\/li>\n\t\t<\/ul>\n\n\t\t<br>\n\t\t<br>\n\n\t\t<p>\n\t\t\t\u4f60\u559c\u6b22\u54ea\u6b3e\u5355\u673a\u6e38\u620f?\n\t\t<\/p>\n\n\t\t<ul id=\"game\">\n\t\t\t<li id=\"rl\">\u7ea2\u8b66<\/li>\n\t\t\t<li>\u5b9e\u51b5<\/li>\n\t\t\t<li>\u6781\u54c1\u98de\u8f66<\/li>\n\t\t\t<li>\u9b54\u517d<\/li>\n\t\t<\/ul>\n\n\t\t<br \/>\n\t\t<br \/>\n\n\t\t<p>\n\t\t\t\u4f60\u624b\u673a\u7684\u64cd\u4f5c\u7cfb\u7edf\u662f?\n\t\t<\/p>\n\n\t\t<ul id=\"phone\"><li>IOS<\/li><li id=\"android\">Android<\/li><li>Windows Phone<\/li><\/ul>\n\t<\/div>\n\n\t<div class=\"inner\">\n\t\tgender:\n\t\t<input type=\"radio\" name=\"gender\" value=\"male\"\/>\n\t\tMale\n\t\t<input type=\"radio\" name=\"gender\" value=\"female\"\/>\n\t\tFemale\n\t\t<br>\n\t\t<br>\n\t\tname:\n\t\t<input type=\"text\" name=\"name\" id=\"username\" value=\"abcde\"\/>\n\t<\/div>\n<\/div>\n<div id=\"btnList\">\n\t<div><button id=\"btn01\">\u67e5\u627e#bj\u8282\u70b9<\/button><\/div>\n\t<div><button id=\"btn02\">\u67e5\u627e\u6240\u6709li\u8282\u70b9<\/button><\/div>\n\t<div><button id=\"btn03\">\u67e5\u627ename=gender\u7684\u6240\u6709\u8282\u70b9<\/button><\/div>\n\t<div><button id=\"btn04\">\u67e5\u627e#city\u4e0b\u6240\u6709li\u8282\u70b9<\/button><\/div>\n\t<div><button id=\"btn05\">\u8fd4\u56de#city\u7684\u6240\u6709\u5b50\u8282\u70b9<\/button><\/div>\n\t<div><button id=\"btn06\">\u8fd4\u56de#phone\u7684\u7b2c\u4e00\u4e2a\u5b50\u8282\u70b9<\/button><\/div>\n\t<div><button id=\"btn07\">\u8fd4\u56de#bj\u7684\u7236\u8282\u70b9<\/button><\/div>\n\t<div><button id=\"btn08\">\u8fd4\u56de#android\u7684\u524d\u4e00\u4e2a\u5144\u5f1f\u8282\u70b9<\/button><\/div>\n\t<div><button id=\"btn09\">\u8fd4\u56de#username\u7684value\u5c5e\u6027\u503c<\/button><\/div>\n\t<div><button id=\"btn10\">\u8bbe\u7f6e#username\u7684value\u5c5e\u6027\u503c<\/button><\/div>\n\t<div><button id=\"btn11\">\u8fd4\u56de#bj\u7684\u6587\u672c\u503c<\/button><\/div>\n<\/div>\n<\/body>\n<\/html><\/code><\/pre>\n\n\n\n
JavaScript-document\u5bf9\u8c61\u8865\u5145\u8bf4\u660e<\/p>\n\n\n\n
document.createElement( tagName)\u3001appendChild( oChildNode )<\/p>document.createElement( tagName)
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