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8/2/2010 Bài JavaScript Ĉӛ%i/kP 9LӋQ&177 77- Ĉ+%.+1 0өFÿtFK 9tGөYӅ-DYDVFULSW &XQJFҩSFKRVLQKYLrQQKӳQJNLӃQWKӭFYӅ QJ{QQJӳ-DYD6FULSWÿӇWҥRUDVӵWѭѫQJWiFFӫD trang Web 8/2/2010 1ӝLGXQJ *LӟLWKLӋXYӅ-DYD6FULSW 9DLWUzFӫD-DYD6FULSW &KqQPmOӋQK-DYD6FULSW &iFWKjQKSKҫQFѫEҧQ &ҩXWU~FÿLӅXNKLӇQ ;ӱOêVӵNLӋQYӟL-DYD6FULSW 0ӝWVӕÿӕLWѭӧQJWURQJ-DYD6FULSW 7UҳFQJKLӋP 7KӵFKjQK *LӟLWKLӋXYӅ-DYD6FULSW /êGRUDÿӡL ± +70/;+70/OjFiFÿӏQKGҥQJWjLOLӋXFyWKӇ ÿѭӧFVӱGөQJÿӇWUDRÿәLGӳOLӋXWUrQPҥQJ Internet ± &iF:HESDJHQJj\FjQJ\rXFҫXWtQKViQJWҥR ÿӝFÿiRÿӇKҩSGүQQJѭӡLVӱGөQJ ± JavaScript Visual Basic Script 8/2/2010 *LӟLWKLӋXYӅ-DYD6FULSW JavaScript = Java + Script? Script? ± 1J{QQJӳNӏFKEҧQ ± /jPӝWQJ{QQJӳOұSWUuQKFKRSKpSWҥRUDVӵÿLӅX NKLӇQWURQJPӝWӭQJGөQJNKiF ± &iFQJ{QQJӳNӏFKEҧQWKѭӡQJÿѭӧFWK{QJGӏFK *LӟLWKLӋXYӅ-DYD6FULSW 0өFWLrXFӫD-DYD6FULSW ± &XQJFҩSFKRQJѭӡLSKiWWULӇQ:HENKҧQăQJWҥR UDVӵWѭѫQJWiFWURQJPӝWWUDQJ:HE ± 0m-DYD6FULSWFyWKӇQK~QJWURQJWjLOLӋX+70/ ÿӇÿLӅXNKLӇQQӝLGXQJWUDQJ:HEYjKӧSOӋGӳOLӋX QJѭӡLVӱGөQJQKұSYjR ӃWOXұQ ± -DYD6FULSWOjPӝWQJ{QQJӳNӏFKEҧQKѭӟQJÿӕL WѭӧQJFKRYLӋFSKiWWULӇQFiFӭQJGөQJ,QWHUQHW phía Client Server 8/2/2010 9DLWUzFӫD-DYD6FULSW &XQJFҩSVӵWѭѫQJWiFYӟLQJѭӡLGQJ ± 6ӵNLӋQGRQJѭӡLGQJWҥRUDGLFKXӝWFOLFN FKXӝW« ± 6ӵNLӋQGRKӋWKӕQJWҥRUDWKD\ÿәLNtFKWKѭӟF WUDQJWҧLWUDQJ« 7KD\ÿәLÿӝQJQӝLGXQJ ± 7KD\ÿәLQӝLGXQJYjYӏWUtFiFWKjQKSKҫQWUrQ WUDQJ:HEWKHRVӵWѭѫQJWiFFӫDQJѭӡLGQJ 9DLWUzFӫD-DYD6FULSW +ӧSOӋKyDGӳOLӋX ± LӇPWUD[HPGӳOLӋXFyKӧSOӋNK{QJWUѭӟFNKLQy ÿѭӧFJӱLVXEPLW ÿӃQ:HE6HUYHUÿӇ[ӱOê 8/2/2010 Chèn mã JavaScript vào Web Page 9LӃWWUӵFWLӃSWURQJWjLOLӋXVӱGөQJWKҿ6FULSW /LrQNӃWÿӃQPӝWILOH-DYD6FULSW 9LӃWWUӵFWLӃSWURQJWjLOLӋX Cú pháp VFULSWODQJXDJH ³-DYD6FULSW´! > &yWKӇ[iFÿӏQKFөWKӇSKLrQEҧQ-DYD6FULSW 0ӛLOӋQKNӃWWK~FEҵQJGҩX 10 8/2/2010 9LӃWWUӵFWLӃSWURQJWjLOLӋX document.write("Welcome to JavaScript"); 11 9LӃWWUӵFWLӃSWURQJWjLOLӋX 12 8/2/2010 6ӱGөQJILOHErQQJRjL Cú pháp VFULSWODQJXDJH ³-DYD6FULSW´ VUF ³ILOHQDPHMV´! )LOH-DYD6FULSWMV FKӍEDRJӗPPm -DYD6FULSWNK{QJFKӭDWKҿ+70/ 13 6ӱGөQJILOHErQQJRjL HTML file: external.html VFULSWODQJXDJH MDYDVFULSW³ VUF ³WHVWMV´! JavaScript file: test.js GRFXPHQWZULWH³:HOFRPHWR-DYD6FULSW´ 14 8/2/2010 &ҩXWU~FÿLӅXNKLӇQ &ҩXWU~FLILI«HOVH &ҩXWU~FVZLFK &ҩXWU~FIRU &ҩXWU~FGRZKLOH &ҩXWU~FZKLOH &kXOӋQKEUHDNFRQWLQXH &ҩXWU~FIRULQYjZLWK 49 &ҩXWU~FÿLӅXNKLӇQ ĈһFÿLӇPFҩXWU~FOӵDFKӑQ ± /ӵDFKӑQÿRҥQFKѭѫQJWUuQKWKӵFKLӋQGӵDYjR ÿLӅXNLӋQFKӑQ ĈһFÿLӇPFҩXWU~FOһS ± 7KӵFKLӋQOһSOҥLPӝWÿRҥQFKѭѫQJWUuQK ± /һSFKRÿӃQNKLÿLӅXNLӋQOһSOjVDLIDOVH ± ĈLӅXNLӋQOһSFҫQSKҧLFyVӵWKD\ÿәLÿӇNӃWWK~F OһS 50 25 8/2/2010 &ҩXWU~FLILIHOVH &ҩXWU~FLI LIÿLӃXBNLӉQ OӉQK &ҩXWU~FLI«HOVH LIÿLӃXBNLӉQ OӉQK else OӉQK 51 &ҩXWU~FVZLWFK Cú pháp VZLWFKELӅXBWKӫF ^ FDVHJLiBWUӍBOӉQKEUHDN FDVHJLiBWUӍBOӉQKEUHDN « FDVHJLiBWUӍBQOӉQKQEUHDN GHIDXOWOӉQKQEUHDN } 52 26 8/2/2010 &ҩXWU~FIRU Cú pháp IRU>ELӅXBWKӫFB@ >ELӅXBWKӫFB@>ELӅXBWKӫF@ OӉQK 7URQJÿy ± ELӇXBWKӭFBWKѭӡQJOjFkXOӋQKNKӣLWҥR ± ELӇXBWKӭFBELӇXWKӭFÿLӅXNLӋQ ± ELӇXBWKӭFBWKD\ÿәLJLiWUӏ 7KѭӡQJGQJYӟLVӕOҫQOһS[iFÿӏQK 53 &ҩXWU~FGR«ZKLOH Cú pháp do{ OӉQK `ZKLOHÿLӃXBNLӉQ Chú ý ± ÿLӅXBNLӋQÿѭӧFNLӇPWUDsau NKLWKӵFKLӋQOӋQK 54 27 8/2/2010 &ҩXWU~FZKLOH Cú pháp ZKLOHÿLӃXBNLӉQ ^ OӉQK } Chú ý ± ÿLӅXBNLӋQÿѭӧFNLӇPWUDWU˱ͣF NKLWKӵFKLӋQOӋQK 55 &kXOӋQKEUHDNFRQWLQXH 0өFÿtFK 9zQJOһSYӟLFiFOӋQKbreak continue ĈL͉XNL͏QO̿SFzQWK͗DPmQ ± 7KRiWNKӓLYzQJOһS QJD\FҧNKLÿLӅXNLӋQ OһSFzQWKӓDPmQ ± &KX\ӇQVDQJYzQJ OһSPӟL /ӋQKWLӃSWKHR break continue /ӋQKWLӃSWKHR /ӋQKWLӃSWKHR 56 28 8/2/2010 &kXOӋQKEUHDNFRQWLQXH 9tGө for(i=0; i[...]... 3KѭѫQJWKӭFSURPSW Cú pháp YDOXH SURPSW³WK{QJBEiR´ JLiBWUӍBPҹFBÿӍQK 38 19 8/2/2010 +ӝSWK{QJEiR alert("Welcome to JavaScript" ); var value = prompt("What's your name?","JS"); alert("Hello "+value); var ret = confirm("Do you like JavaScript? "); alert("You pressed "+ret); 39 +ӝSWK{QJEiR 40 20 8/2/2010 9LӃWFK~WKtFK 9LӃWFK~WKtFKWUrQPӝWGzQJ...
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