web_01_html_js

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1、㔥义㓪⿟෎⸔෎ᴀὖᗉHTTPHyperTextHTTPHyperTextTransferProtocol˖䍙Protocol˖䍙᭛ᴀӴ䕧ण䆂HTMLHyperTextHTMLHyperTextMarkupLanguage˖䍙Language˖䍙᭛ᴀᷛ䆄䇁㿔FTPFileFTPFileTransferProtocol˖᭛ӊӴ䕧णProtocol˖᭛ӊӴ䕧ण䆂URLUniformURLUniformResourceLocators˖㒳ϔ䌘Locators˖㒳ϔ䌘⑤ᅮԡ఼HTML෎ᴀḚᶊHTML෎ᴀḚᶊHTML෎⸔HTML෎⸔……ᷛ䆄᭛ḷЁ৿᳝䍙᭛ᴀⱘݙᆍht

2、ml᭛ḷⱘ༈䚼ˈ৿᳝߱ྟ࣪ᙃhtml᭛ḷⱘ༈䚼ˈ৿᳝߱ྟ࣪ᙃ……义䴶ⱘᷛ乬……᭛ḷԧˈࣙ৿义䴶᠔᳝ⱘ݋ԧݙᆍ…䍙㑻䫒᥹೒⠛ᷛ䆄HeadЁⱘᐌ⫼ܗ㋴HeadЁⱘᐌ⫼ܗ㋴˖⫼Ѣ䆒㕂ϔѯ༈ᙃ˖⫼Ѣ䆒㕂ϔѯ༈ᙃ⫼ѢᅮНḐᓣ⫼ѢᅮНḐᓣ⫼language=“javascript”⫼ѢᅮН㛮ᴀHTMLᄫԧ੠᭛ᄫᏗሔHTMLᄫԧ੠᭛ᄫᏗሔ………˖৘㑻ᷛ乬………˖৘㑻ᷛ乬…˖ᄫԧⱘ买㡆ǃ໻ᇣsize="">…˖ᄫԧⱘ买㡆ǃ໻ᇣ…˖咥ԧ…˖咥ԧ…˖᭰ԧ…˖᭰ԧ…˖ϟߦ㒓…˖ϟߦ㒓…˖᭰৥Ϟ㸼⼎…˖᭰৥Ϟ㸼⼎…˖᭰৥ϟ㸼⼎…˖᭰৥ϟ㸼⼎…˖᮴ᑣো߫㸼…˖᮴ᑣো߫㸼…˖᳝ᑣো

3、߫㸼…˖᳝ᑣো߫㸼…˖ᅮН↉㨑…˖ᅮН↉㨑˖ᤶ㸠˖ᤶ㸠…˖ߚऎᰒ⼎align="">…˖ߚऎᰒ⼎HTML㸼Ḑ੠㸼ऩᷛ䆄HTML㸼Ḑ੠㸼ऩᷛ䆄…˖ᅮН㸼Ḑ…˖ᅮН㸼Ḑ…˖ᅮН㸠…˖ᅮН㸠…˖ᅮН߫…˖ᅮН߫…˖ᅮН㸼༈…˖ᅮН㸼༈…ᅮН㸼ऩ᭛ᴀḚtype=“text”ᆚⷕḚ໮䗝Ḛऩ䗝Ḛ䱤㮣乍…᭛ᴀcols="">…ඳJavaScriptJavaScriptᰃϔ⾡ᦣ䗄ᓣ䇁㿔ˈᅗϢHTML㒧ড়䍋ᴹˈJavaScriptᰃϔ⾡ᦣ䗄ᓣ䇁㿔ˈᅗϢHTML㒧ড়䍋ᴹˈ⫼Ѣ๲ᔎࡳ㛑ˈᑊᦤ催Ϣ᳔㒜⫼᠋П䯈ⱘѸѦᗻ㛑⬅Netscape݀ৌ߽⫼SunⱘJavaᓔথNetscap

4、e݀ৌ߽⫼SunⱘJavaᓔথSunᅗᰃϢJavaᅠܼϡৠⱘϔ⾡䇁㿔DŽ㱑✊೼㒧ᵘ੠䇁ᅗᰃϢJavaᅠܼϡৠⱘϔ⾡䇁㿔DŽ㱑✊೼㒧ᵘ੠䇁⊩ϞϢJava㉏ԐˈԚᰃˈᅗাᰃߑ᭄ᓣⱘ䇁㿔DŽ⊩ϞϢJava㉏ԐˈԚᰃˈᅗাᰃߑ᭄ᓣⱘ䇁㿔DŽᅶ᠋ッⱘJavaScriptᅶ᠋ッⱘJavaScriptᖙ乏㽕᳝⌣㾜఼ⱘᬃᣕ೼㔥义ЁࡴܹJavaScript೼㔥义ЁࡴܹJavaScript䗮䖛೼㔥义Ёࡴܹᷛ䆄䗮䖛೼㔥义Ёࡴܹᷛ䆄JavaScriptⱘᓔྟ੠㒧ᴳˈᇚJavaScriptҷⷕᬒࠄJavaScriptⱘᓔྟ੠㒧ᴳˈᇚJavaScriptҷⷕᬒࠄП䯈(8.htm)П䯈(8.

5、htm)гৃҹᓩܹϔϾ໪䚼ⱘJavaScript᭛ӊˈ䖭ϾгৃҹᓩܹϔϾ໪䚼ⱘJavaScript᭛ӊˈ䖭ϾJavaScript᭛ӊϔ㠀ҹ.js԰ЎᠽሩৡJavaScript᭛ӊϔ㠀ҹ.js԰Ўᠽሩৡॳ߭Ϟˈᬒ೼П䯈DŽԚ㾚ᚙމॳ߭Ϟˈᬒ೼П䯈DŽԚ㾚ᚙމৃҹᬒ೼㔥义ⱘӏԩ䚼ߚϔϾ义䴶ৃҹ᳝޴Ͼˈϡৠ䚼ߚⱘᮍ⊩੠ব䞣ˈৃҹ݅ѿDŽJavaScript෎ᴀ䇁⊩JavaScript෎ᴀ䇁⊩JavaScriptᰃϔ䮼ᔅ㉏ൟⱘ䇁㿔ˈ᠔᳝ⱘব䞣JavaScriptᰃϔ䮼ᔅ㉏ൟⱘ䇁㿔ˈ᠔᳝ⱘব䞣ᅮНഛҹvarᴹᅲ⦄ᅮНഛҹvarᴹᅲ⦄JavaScriptⱘব䞣ᖙ䳔ܜᅮНˈ

6、ݡՓ⫼JavaScriptⱘব䞣ᖙ䳔ܜᅮНˈݡՓ⫼JavaScriptऎߚ໻ᇣݭJavaScriptऎߚ໻ᇣݭJavaScript෎ᴀ䇁⊩JavaScript෎ᴀ䇁⊩üব䞣෎ᴀ䇁⊩üব䞣ᅮН˖⫼varᴹᅮНব䞣varᴹᅮНব䞣㱑✊JavaScriptৃҹϡ䳔ᅮНेৃⳈ᥹Փ⫼ব䞣ˈ㱑✊JavaScriptৃҹϡ䳔ᅮНेৃⳈ᥹Փ⫼ব䞣ˈԚϡᓎ䆂䖭Мخ(12.htm)Ԛϡᓎ䆂䖭Мخ(12.htm)JavaScript෎ᴀ䇁⊩JavaScript෎ᴀ䇁⊩ü᭄㒘෎ᴀ䇁⊩ü᭄㒘ᅮНvararr=newArray(3);䗮䖛arr.lengthপᕫ᭄㒘ⱘ䭓ᑺ䗮䖛arr

7、.lengthপᕫ᭄㒘ⱘ䭓ᑺ13.htmJavaScript෎ᴀ䇁⊩JavaScript෎ᴀ䇁⊩ü䖤ㅫヺ෎ᴀ䇁⊩üㅫᴃ䖤ㅫ+ǃ-ǃ*ǃ/˄14.htm˅14.htm˅>ǃ<ǃ=ǃ>=ǃ<=ǃ==>=ǃ<=ǃJavaScript෎ᴀ䇁⊩JavaScript෎ᴀ䇁⊩ü䖤ㅫヺ෎ᴀ䇁⊩ü䘏䕥䖤ㅫϢ˖&&Ϣ˖&&៪˖__៪˖__䴲˖!䴲˖!15.htmJavaScript෎ᴀ䇁⊩JavaScript෎ᴀ䇁⊩ü䖤ㅫヺ෎ᴀ䇁⊩üᄫヺІ䖤ㅫヺ䖲᥹䖤ㅫ˖+䖲᥹䖤ㅫ˖+(16.htm)পᄤ䲚˖substring(index1,index2)(17.htm)পᄤ䲚˖subst

8、ring(index1,index2)(17.htm)JavaScript෎ᴀ䇁