<\/span><\/h2>\n\n\n\nTheo m\u1eb7c \u0111\u1ecbnh, h\u00e0m sort() s\u1eafp x\u1ebfp c\u00e1c gi\u00e1 tr\u1ecb nh\u01b0 chu\u1ed7i.<\/p>\n\n\n\n
\u0110i\u1ec1u \u0111\u00f3 l\u00e0m vi\u1ec7c t\u1ed1t cho chu\u1ed7i (“Apple” \u1edf tr\u01b0\u1edbc “Banana”).<\/p>\n\n\n\n
Tuy v\u1eady, n\u1ebfu c\u00e1c con s\u1ed1 \u0111\u01b0\u1ee3c l\u01b0u trong chu\u1ed7i, “25” l\u1ea1i l\u1edbn h\u01a1n “100”, b\u1edfi v\u00ec “2” l\u1edbn h\u01a1n “1”.<\/p>\n\n\n\n
V\u00ec l\u00fd do \u0111\u00f3, ph\u01b0\u01a1ng th\u1ee9c sort() s\u1ebd t\u1ea1o ra c\u00e1c k\u1ebft qu\u1ea3 l\u1ed7i khi s\u1eafp x\u1ebfp c\u00e1c s\u1ed1.<\/p>\n\n\n\n
B\u1ea1n c\u00f3 th\u1ec3 s\u1eeda b\u1eb1ng c\u00e1ch cung c\u1ea5p m\u1ed9t ch\u1ee9c n\u0103ng so s\u00e1nh<\/strong>:<\/p>\n\n\n\nV\u00ed d\u1ee5<\/h3>\n\n\n\nvar points = [40, 100, 1, 5, 25, 10];\npoints.sort(function(a, b){return a - b});<\/code><\/pre>\n\n\n\nC\u0169ng s\u1eed d\u1ee5ng m\u1eb9o n\u00e0y \u0111\u1ec3 s\u1eafp x\u1ebfp c\u00e1c con s\u1ed1 trong m\u1ea3ng theo chi\u1ec1u gi\u1ea3m d\u1ea7n:<\/p>\n\n\n\n
V\u00ed d\u1ee5<\/h3>\n\n\n\nvar points = [40, 100, 1, 5, 25, 10];\npoints.sort(function(a, b){return b - a});<\/code><\/pre>\n\n\n\n
\n\n\n\n<\/span>C\u00e1c h\u00e0m so s\u00e1nh<\/span><\/h2>\n\n\n\nM\u1ee5c \u0111\u00edch c\u1ee7a ch\u1ee9c n\u0103ng so s\u00e1nh l\u00e0 \u0111\u1ecbnh ngh\u0129a s\u1eafp x\u1ebfp thay th\u1ebf.<\/p>\n\n\n\n
C\u00e1c h\u00e0m so s\u00e1nh ph\u1ea3i tr\u1ea3 v\u1ec1 gi\u00e1 tr\u1ecb \u00e2m, zero ho\u1eb7c gi\u00e1 tr\u1ecb d\u01b0\u01a1ng, ph\u1ee5 thu\u1ed9c v\u00e0o \u0111\u1ed1i s\u1ed1:<\/p>\n\n\n\n
function(a, b){return a-b}<\/code><\/pre>\n\n\n\nKhi h\u00e0m sort() so s\u00e1nh hai gi\u00e1 tr\u1ecb, n\u00f3 s\u1ebd g\u1eedi gi\u00e1 tr\u1ecb t\u1edbi h\u00e0m so s\u00e1nh v\u00e0 s\u1eafp x\u1ebfp theo gi\u00e1 tr\u1ecb k\u1ebft qu\u1ea3 tr\u1ea3 v\u1ec1 (\u00e2m, zero, d\u01b0\u01a1ng).<\/p>\n\n\n\n
V\u00ed d\u1ee5:<\/strong><\/p>\n\n\n\nKhi so s\u00e1nh 40 v\u00e0 100, ph\u01b0\u01a1ng th\u1ee9c sort() g\u1ecdi h\u00e0m so s\u00e1nh function(40,100).<\/p>\n\n\n\n
H\u00e0m t\u00ednh to\u00e1n 40 – 100, v\u00e0 tr\u1ea3 v\u1ec1 k\u1ebft qu\u1ea3 -60 (gi\u00e1 tr\u1ecb \u00e2m).<\/p>\n\n\n\n
H\u00e0m s\u1eafp x\u1ebfp s\u1ebd s\u1eafp x\u1ebfp 40 nh\u1ecf h\u01a1n 100.<\/p>\n\n\n\n
B\u1ea1n c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng \u0111o\u1ea1n m\u00e3 n\u00e0y \u0111\u1ec3 th\u1eed nghi\u1ec7m v\u1edbi s\u1eafp x\u1ebfp ki\u1ec3u s\u1ed1 v\u00e0 ki\u1ec3u th\u1ee9 t\u1ef1 abc.<\/p>\n\n\n\n
<button onclick=\"myFunction1()\">S\u1eafp x\u1ebfp theo th\u1ee9 t\u1ef1 ABC<\/button>\n<button onclick=\"myFunction2()\">S\u1eafp x\u1ebfp theo ki\u1ec3u s\u1ed1<\/button>\n\n<p id=\"demo\"><\/p>\n\n<script>\n var points = [40, 100, 1, 5, 25, 10];\n document.getElementById(\"demo\").innerHTML = points;\n\nfunction myFunction1() {\n points.sort();\n document.getElementById(\"demo\").innerHTML = points;\n }\n\nfunction myFunction2() {\n points.sort(function(a, b){return a - b});\n document.getElementById(\"demo\").innerHTML = points;\n }\n <\/script><\/code><\/pre>\n\n\n\n
\n\n\n\n<\/span>S\u1eafp x\u1ebfp m\u1ed9t m\u1ea3ng theo th\u1ee9 t\u1ef1 ng\u1eabu nhi\u00ean<\/span><\/h2>\n\n\n\nV\u00ed d\u1ee5<\/h3>\n\n\n\nvar points = [40, 100, 1, 5, 25, 10];\n points.sort(function(a, b){return 0.5 - Math.random()});<\/code><\/pre>\n\n\n\n
\n\n\n\n<\/span>T\u00ecm gi\u00e1 tr\u1ecb l\u1edbn nh\u1ea5t (ho\u1eb7c nh\u1ecf nh\u1ea5t)<\/span><\/h2>\n\n\n\nL\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 t\u00ecm gi\u00e1 tr\u1ecb l\u1edbn nh\u1ea5t trong m\u1ed9t m\u1ea3ng?<\/p>\n\n\n\n
V\u00ed d\u1ee5<\/h3>\n\n\n\nvar points = [40, 100, 1, 5, 25, 10];\npoints.sort(function(a, b){return b - a});<\/code><\/pre>\n\n\n\n\/\/ b\u00e2y gi\u1edd points[0] ch\u1ee9a gi\u00e1 tr\u1ecb l\u1edbn nh\u1ea5t<\/p>\n\n\n\n
V\u00e0 gi\u00e1 tr\u1ecb nh\u1ecf nh\u1ea5t:<\/p>\n\n\n\n
V\u00ed d\u1ee5<\/h3>\n\n\n\nvar points = [40, 100, 1, 5, 25, 10];\npoints.sort(function(a, b){return a - b});<\/code><\/pre>\n\n\n\n\/\/ b\u00e2y gi\u1edd point[0] ch\u1ee9a gi\u00e1 tr\u1ecb nh\u1ecf nh\u1ea5t<\/p>\n\n\n\n
\n\n\n\n<\/span>S\u1eafp x\u1ebfp \u0111\u1ed1i t\u01b0\u1ee3ng trong m\u1ea3ng<\/span><\/h2>\n\n\n\nM\u1ea3ng trong JavaScript th\u01b0\u1eddng bao g\u1ed3m c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng:<\/p>\n\n\n\n
V\u00ed d\u1ee5<\/h3>\n\n\n\nvar cars = [\n {type:\"Volvo\", year:2016},\n {type:\"Saab\", year:2001},\n {type:\"BMW\", year:2010}];<\/code><\/pre>\n\n\n\nTh\u1eadm ch\u00ed n\u1ebfu \u0111\u1ed1i t\u01b0\u1ee3ng c\u00f3 thu\u1ed9c t\u00ednh c\u1ee7a d\u1ea1ng d\u1eef li\u1ec7u kh\u00e1c, ph\u01b0\u01a1ng th\u1ee9c sort() c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng \u0111\u1ec3 s\u1eafp x\u1ebfp m\u1ea3ng.<\/p>\n\n\n\n
Gi\u1ea3i ph\u00e1p l\u00e0 vi\u1ebft h\u00e0m so s\u00e1nh \u0111\u1ec3 so s\u00e1nh c\u00e1c gi\u00e1 tr\u1ecb c\u1ee7a thu\u1ed9c t\u00ednh:<\/p>\n\n\n\n
V\u00ed d\u1ee5<\/h3>\n\n\n\ncars.sort(function(a, b){return a.year - b.year});<\/code><\/pre>\n\n\n\nSo s\u00e1nh thu\u1ed9c t\u00ednh chu\u1ed7i \u0111\u1ee1 ph\u1ee9c t\u1ea1p h\u01a1n m\u1ed9t ch\u00fat:<\/p>\n\n\n\n
V\u00ed d\u1ee5<\/h3>\n\n\n\ncars.sort(function(a, b){\n var x = a.type.toLowerCase();\n var y = b.type.toLowerCase();\n if (x < y) {return -1;}\n if (x > y) {return 1;}\n return 0;\n });<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"Ph\u01b0\u01a1ng th\u1ee9c sort() l\u00e0 m\u1ed9t trong c\u00e1c ph\u01b0\u01a1ng th\u1ee9c m\u1ea1nh nh\u1ea5t c\u1ee7a m\u1ea3ng. S\u1eafp x\u1ebfp m\u1ed9t M\u1ea3ng Ph\u01b0\u01a1ng th\u1ee9c sort() s\u1eafp x\u1ebfp m\u1ea3ng thao th\u1ee9 t\u1ef1 abc: V\u00ed d\u1ee5 K\u1ebft qu\u1ea3: Apple,Banana,Mango,Orange \u0110\u1ea3o ng\u01b0\u1ee3c qu\u00e1 tr\u00ecnh s\u1eafp x\u1ebfp m\u1ed9t M\u1ea3ng Ph\u01b0\u01a1ng th\u1ee9c reverse() \u0111\u1ea3o ng\u01b0\u1ee3c c\u00e1c ph\u1ea7n t\u1eed trong m\u1ea3ng – n\u00f3 l\u00e0 ng\u01b0\u1ee3c l\u1ea1i ph\u01b0\u01a1ng th\u1ee9c sort(). …<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[236],"tags":[],"yoast_head":"\n
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S\u1eafp x\u1ebfp m\u1ed9t M\u1ea3ng Ph\u01b0\u01a1ng th\u1ee9c sort() s\u1eafp x\u1ebfp m\u1ea3ng thao th\u1ee9 t\u1ef1 abc: V\u00ed d\u1ee5 K\u1ebft qu\u1ea3: Apple,Banana,Mango,Orange \u0110\u1ea3o ng\u01b0\u1ee3c qu\u00e1 tr\u00ecnh s\u1eafp x\u1ebfp m\u1ed9t M\u1ea3ng Ph\u01b0\u01a1ng th\u1ee9c reverse() \u0111\u1ea3o ng\u01b0\u1ee3c c\u00e1c ph\u1ea7n t\u1eed trong m\u1ea3ng – n\u00f3 l\u00e0 ng\u01b0\u1ee3c l\u1ea1i ph\u01b0\u01a1ng th\u1ee9c sort(). …","og_url":"https:\/\/kiencang.net\/sap-xep-mang-trong-javascript\/","og_site_name":"Ki\u1ebfn c\u00e0ng","article_author":"https:\/\/www.facebook.com\/anhducnguyen87\/","article_published_time":"2016-07-11T10:42:02+00:00","author":"Nguy\u1ec5n \u0110\u1ee9c Anh","twitter_card":"summary_large_image","twitter_misc":{"\u0110\u01b0\u1ee3c vi\u1ebft b\u1edfi":"Nguy\u1ec5n \u0110\u1ee9c Anh","\u01af\u1edbc t\u00ednh th\u1eddi gian \u0111\u1ecdc":"3 ph\u00fat"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/kiencang.net\/sap-xep-mang-trong-javascript\/","url":"https:\/\/kiencang.net\/sap-xep-mang-trong-javascript\/","name":"S\u1eafp x\u1ebfp m\u1ea3ng trong JavaScript • Ki\u1ebfn c\u00e0ng","isPartOf":{"@id":"https:\/\/kiencang.net\/#website"},"datePublished":"2016-07-11T10:42:02+00:00","dateModified":"2016-07-11T10:42:02+00:00","author":{"@id":"https:\/\/kiencang.net\/#\/schema\/person\/5e7e1a04d8d1218ad8c421ba43d25c16"},"breadcrumb":{"@id":"https:\/\/kiencang.net\/sap-xep-mang-trong-javascript\/#breadcrumb"},"inLanguage":"vi","potentialAction":[{"@type":"ReadAction","target":["https:\/\/kiencang.net\/sap-xep-mang-trong-javascript\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/kiencang.net\/sap-xep-mang-trong-javascript\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/kiencang.net\/"},{"@type":"ListItem","position":2,"name":"S\u1eafp x\u1ebfp m\u1ea3ng trong JavaScript"}]},{"@type":"WebSite","@id":"https:\/\/kiencang.net\/#website","url":"https:\/\/kiencang.net\/","name":"Ki\u1ebfn c\u00e0ng","description":"\u00d4m l\u00fd thuy\u1ebft, h\u00f4n th\u1ef1c h\u00e0nh","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/kiencang.net\/?s={search_term_string}"},"query-input":"required name=search_term_string"}],"inLanguage":"vi"},{"@type":"Person","@id":"https:\/\/kiencang.net\/#\/schema\/person\/5e7e1a04d8d1218ad8c421ba43d25c16","name":"Nguy\u1ec5n \u0110\u1ee9c Anh","image":{"@type":"ImageObject","inLanguage":"vi","@id":"https:\/\/kiencang.net\/#\/schema\/person\/image\/","url":"https:\/\/secure.gravatar.com\/avatar\/6d71f9b89393952a8382e30dad26c1ec?s=96&d=monsterid&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/6d71f9b89393952a8382e30dad26c1ec?s=96&d=monsterid&r=g","caption":"Nguy\u1ec5n \u0110\u1ee9c Anh"},"description":"Sinh n\u0103m 1987, t\u1ed1t nghi\u1ec7p Cao \u0111\u1eb3ng th\u1ef1c h\u00e0nh FPT qu\u00e3ng 2014, chuy\u00ean ng\u00e0nh Thi\u1ebft k\u1ebf website. 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