{"id":1459,"date":"2022-06-29T10:37:21","date_gmt":"2022-06-29T03:37:21","guid":{"rendered":"https:\/\/dt-corp.com.vn\/?p=1459"},"modified":"2022-06-29T10:37:21","modified_gmt":"2022-06-29T03:37:21","slug":"cach-an-code-html-khong-cho-nguoi-khac-view-source","status":"publish","type":"post","link":"https:\/\/dt-corp.com.vn\/?p=1459","title":{"rendered":"C\u00e1ch \u1ea9n Code HTML kh\u00f4ng cho ng\u01b0\u1eddi kh\u00e1c View Source"},"content":{"rendered":"

B\u1ea1n m\u1edbi vi\u1ebft ra m\u1ed9t \u0111o\u1ea1n code HTML c\u1ef1c hay, nh\u01b0ng l\u1ea1i kh\u00f4ng mu\u1ed1n ng\u01b0\u1eddi kh\u00e1c copy m\u00e3 ngu\u1ed3n c\u1ee7a m\u00ecnh. B\u1eb1ng m\u1ed9t s\u1ed1 th\u1ee7 thu\u1eadt nh\u1ecf d\u01b0\u1edbi \u0111\u00e2y s\u1ebd gi\u00fap c\u00e1c l\u1eadp tr\u00ecnh vi\u00ean \u1ea9n Code HTML tr\u00ean Website c\u1ee7a m\u00ecnh tr\u00e1nh b\u1ecb ng\u01b0\u1eddi kh\u00e1c copy.<\/strong><\/p>\n

\"C\u00e1ch<\/p>\n

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<\/div>\n<\/div>\n<\/div>\n<\/div>\n
<\/div>\n

C\u00e1ch \u1ea9n Code HTML kh\u00f4ng cho ng\u01b0\u1eddi kh\u00e1c viewsource<\/h2>\n

V\u00f4 hi\u1ec7u ho\u00e1 ph\u00edm Ctrl v\u00e0 F12 b\u1eb1ng javascript<\/h3>\n

Ph\u00edm F12 d\u00f9ng \u0111\u1ec3 M\u1edf C\u00f4ng c\u1ee5 d\u00e0nh cho nh\u00e0 ph\u00e1t tri\u1ec3n c\u1ee7a Chrome (Chrome Developer Tools<\/strong><\/a>).\u00a0Chrome Developer Tools<\/strong> cung c\u1ea5p m\u1ed9t b\u1ed9 c\u00f4ng c\u1ee5 m\u00e0 b\u1ea1n c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng \u0111\u1ec3 xem m\u00e3 ngu\u1ed3n v\u00e0 h\u00e0nh vi c\u1ee7a trang web.<\/p>\n

Ph\u00edm\u00a0Ctrl<\/strong>\u00a0ch\u1ee7 y\u1ebfu \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng k\u1ebft h\u1ee3p v\u1edbi c\u00e1c ph\u00edm kh\u00e1c \u0111\u1ec3 xem m\u00e3 ngu\u1ed3n c\u1ee7a web.<\/p>\n

V\u00ed d\u1ee5:<\/p>\n

Ctrl + S: N\u00f3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 l\u01b0u to\u00e0n b\u1ed9 trang web.<\/p>\n

Ctrl + U: N\u00f3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 m\u1edf m\u00e3 ngu\u1ed3n c\u1ee7a web trong tab m\u1edbi.<\/p>\n

B\u1ea1n c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng code n\u00e0y trong th\u1ebb script \u0111\u1ec3 v\u00f4 hi\u1ec7u ho\u00e1 ph\u00edm Ctrl v\u00e0 F12.<\/p>\n

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document.<\/span>addEventListener<\/span>(<\/span>“keydown”<\/span>, <\/span>function<\/span> (<\/span>event<\/span>){<\/span><\/div>\n<\/div>\n
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if<\/span> (<\/span>event.<\/span>ctrlKey<\/span>){<\/span><\/div>\n<\/div>\n
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event.<\/span>preventDefault<\/span>()<\/span>;<\/span><\/div>\n<\/div>\n
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}<\/span><\/div>\n<\/div>\n
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if<\/span>(<\/span>event.<\/span>keyCode<\/span> == <\/span>123<\/span>){<\/span><\/div>\n<\/div>\n
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event.<\/span>preventDefault<\/span>()<\/span>;<\/span><\/div>\n<\/div>\n
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}<\/span><\/div>\n<\/div>\n
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})<\/span>;<\/span><\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n

V\u00f4 hi\u1ec7u h\u00f3a nh\u1ea5p chu\u1ed9t ph\u1ea3i b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng javascript<\/h3>\n

B\u1eb1ng c\u00e1ch nh\u1ea5p chu\u1ed9t ph\u1ea3i v\u00e0o trang web, n\u00f3 s\u1ebd cung c\u1ea5p cho b\u1ea1n t\u00f9y ch\u1ecdn \u0111\u1ec3 xem v\u00e0 ki\u1ec3m tra m\u00e3 ngu\u1ed3n c\u1ee7a trang web.<\/p>\n

B\u1ea1n c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng code n\u00e0y trong th\u1ebb script \u0111\u1ec3 v\u00f4 hi\u1ec7u h\u00f3a nh\u1ea5p chu\u1ed9t ph\u1ea3i.<\/p>\n

document.addEventListener(\u2018contextmenu\u2019,
\nevent => event.preventDefault()
\n);<\/p><\/blockquote>\n

C\u00e1c k\u1ef9 thu\u1eadt cao c\u1ea5p h\u01a1n<\/h3>\n

Hai c\u00e1ch tr\u00ean r\u1ea5t t\u1ed1t cho nh\u1eefng ng\u01b0\u1eddi kh\u00f4ng r\u00e0nh v\u1ec1 k\u1ef9 thu\u1eadt ho\u1eb7c cho m\u1ed9t s\u1ed1 ng\u01b0\u1eddi m\u1edbi b\u1eaft \u0111\u1ea7u h\u1ecdc l\u1eadp tr\u00ecnh.<\/p>\n

\"C\u00e1ch<\/p>\n

C\u00f2n c\u00e1c nh\u00e0 ph\u00e1t tri\u1ec3n Web (chuy\u00ean gia k\u1ef9 thu\u1eadt) th\u00ec sao?<\/p>\n

H\u1ecd v\u1eabn c\u00f3 th\u1ec3 xem m\u00e3 ngu\u1ed3n c\u1ee7a web b\u1eb1ng ti\u1ec7n \u00edch m\u1edf r\u1ed9ng chrome, tr\u00ecnh ch\u1eb7n HTML (BURP) ho\u1eb7c\u00a0postman<\/a>.<\/p>\n

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<\/div>\n<\/div>\n<\/div>\n

\"C\u00e1ch<\/p>\n

V\u1eady l\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 \u1ea9n Source Code?<\/h2>\n

B\u1ea1n kh\u00f4ng th\u1ec3 \u1ea9n Code HTML c\u1ee7a m\u00ecnh trong tr\u00ecnh duy\u1ec7t v\u00ec tr\u00ecnh duy\u1ec7t c\u1ee7a b\u1ea1n c\u1ea7n m\u00e3 ngu\u1ed3n HTML \u0111\u1ec3 ch\u1ea1y v\u00e0 xem trang web.<\/p>\n

Tuy nhi\u00ean, d\u01b0\u1edbi \u0111\u00e2y l\u00e0 m\u1ed9t s\u1ed1 k\u1ef9 thu\u1eadt kh\u00e1c \u0111\u1ec3 gi\u1ea3m thi\u1ec3u vi\u1ec7c qu\u00e9t web ho\u1eb7c sao ch\u00e9p m\u00e3 ngu\u1ed3n:<\/p>\n