JS 陣列排序範例
馬老師離開待了約十幾年的教學界，目前在外商科技公司擔任Senior Consultant的工作，原因當然很多，未來有空再慢慢發文章分享，剛好最近有點時間，怕以後忘記，把最近專案中用到的一些程式筆記下來，如果大家有需要，也可以參考使用，這一篇是關於Javascript陣列排序的部分。
通常若有較多的內容需要儲存，變數就沒有陣列來的好用，所以陣列是拿來儲存大量的資料時所使用的，且儲存在裡面的資料，還可以選擇經過排序之後再呈現至畫面上，例如：
var name = ["stanley", "jack", "anita" , "mary"]; name.sort() //依照字母排序 console.log(name); // 輸出 ["anita", "jack", "mary", "stanley"] names.reverse() //反轉陣列內容 console.log(name); //輸出 ["stanley", "mary", "jack", "anita"]
但若我們同時有多個陣列，但希望以其中之一的內容排序時，也可以同步更新到另外一個陣列，該如何處理呢？可以參考以下的方式：
var name = ["stanley", "jack", "anita" , "mary"];
var gender = ["male" , "male" , "female" , "female"];
var score = [30, 10, 40 , 80];
var ID = ["S1" , "S2" , "S3" , "S4"];
console.log("name : " + name + "; score : " + score + "; gender : " + gender + "; ID : " + ID);
/*
排序前
name : stanley,jack,anita,mary;
score : 30,10,40,80;
gender : male,male,female,female;
ID : S1,S2,S3,S4;
*/
var list = [];
for (var i = 0; i < name.length; i++){
list.push({
'name': name[i],
'score': score[i],
'gender': gender[i],
'ID': ID[i]
});
}
list.sort(function(a, b) {
return ((a.name < b.name) ? -1 : ((a.name == b.name) ? 0 : 1));
});
for (var i = 0; i < list.length; i++) {
name[i] = list[i].name;
score[i] = list[i].score;
gender[i] = list[i].gender;
ID[i] = list[i].ID;
}
console.log("name : " + name + "; score : " + score + "; gender : " + gender + "; ID : " + ID);
/*
排序後
name : anita,jack,mary,stanley;
score : 40,10,80,30;
gender : female,male,female,male;
ID : S3,S2,S4,S1;
*/
若是希望按照分數排序，則可以將sort function 修改為下：
//score 由小到大
list.sort(function(a, b) {
return a.score - b.score
});
//score 由大到小
list.sort(function(a, b) {
return b.score - a.score
});
補充：
上述的排序內容均以英文和數字為主，若是遇到中文可使用localeCompare進行，而排序的方式是漢語拼音順序，以下為範例：
var arr = ["二","五","四","一","三"];
//漢語拼音：一[yi], 二[er], 三[san], 四[si], 五[wu]
console.log("排序前：" + arr); // 排序前：二,五,四,一,三
arr.sort(function(a,b){
return a.localeCompare(b, 'zh'); //排序後：二,三,四,五,一
});
console.log("排序後：" + arr);
var arr = ["中文","英語","法國話", "京片子", "中國"];
//中文[zhong wen], 英語[ying yu], 法國話[fa guo hua], 京片子[jing pian zi], 中國[zhong guo]
console.log("排序前：" + arr); //排序前：中文,英語,法國話,京片子,中國
arr.sort(function(a,b){
return a.localeCompare(b, 'zh');
});
console.log("排序後：" + arr); //排序後：法國話,京片子,英語,中國,中文
var arr = ["中文","英语","法国话", "京片子", "中国"];
console.log("排序前：" + arr); //排序前：中文,英语,法国话,京片子,中国
arr.sort(function(a,b){
return a.localeCompare(b, 'zh');
});
console.log("排序後：" + arr); //排序後：法国话,京片子,英语,中国,中文
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Sea robins are so adept at rooting out prey as they walk along the ocean floor on their six leglike appendages that other fish follow them around in the hope of snagging some freshly uncovered prey themselves, said the authors of two new studies published Thursday in the journal Current Biology.
David Kingsley, coauthor of both studies, first came across the fish in the summer of 2016 after giving a seminar at the Marine Biological Laboratory in Woods Hole, Massachusetts. Kingsley is the Rudy J. and Daphne Donohue Munzer Professor in the department of developmental biology at Stanford University’s School of Medicine.
Before leaving to catch a flight, Kingsley stopped at a small public aquarium, where he spied sea robins and their delicate fins, which resemble the feathery wings of a bird, as well as leglike appendages.
“The sea robins on display completely spun my head around because they had the body of a fish, the wings of a bird, and multiple legs like a crab,” Kingsley said in an email.
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Preparing meals the Mediterranean way, according to Karadsheh, can help you “eat well and live joyfully. To us, ‘diet’ doesn’t mean a list of ‘eat this’ and ‘don’t eat that.’” Instead of omission, Karadsheh focuses on abundance, asking herself, “what can I add to my life through this way of living? More whole foods, vegetables, grains, legumes? Naturally, when you add these good-for-you ingredients, you eat less of what’s not as health-promoting,” she told CNN.
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Today, automatic landing systems are installed on most commercial aircraft and improve the safety of landings in difficult weather or poor visibility.
Now, nearly 60 years later, the world’s third largest aircraft manufacturer, Brazil’s Embraer, is introducing a similar technology, but for takeoffs.
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“The system is better than the pilots,” says Patrice London, principal performance engineer at Embraer, who has worked on the project for over a decade. ”That’s because it performs in the same way all the time. If you do 1,000 takeoffs, you will get 1,000 of exactly the same takeoff.”
Embraer, London adds, has already started flight testing, with the aim to get it approved by aviation authorities in 2025, before introducing it from select airports.
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Look of the Week: Forget the naked dress, Kendall Jenner makes the case for underwear as outerwear
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On Monday, Kendall Jenner stepped out onto the L’Oreal Paris womenswear runway in a scarlet red Mugler gown that might have looked familiar to anyone with a sharp memory of 1999.
The front of the dress was slashed open across Jenner’s right shoulder, exposing a matching denier bra. The peekaboo moment conjured up memories of another example of fashionable flashing: Lil’ Kim’s purple embellished jumpsuit at the VMAs 26 years earlier. On the red carpet, Kim’s left breast was almost entirely revealed by an asymmetrical cut — a mirror image of Jenner’s neckline — save for a matching purple nipple pasty.
Jenner’s Mugler moment was just the latest example of a resurging tendency for underwear as outerwear. At the Nensi Dojaka runway show in London earlier this month, boxy blazers were shrugged over strappy bras while paneled bustiers in sheer fabric were paired with capri trousers and reimagined as going out tops. Brasseries were even left exposed to the elements at Erdem — a departure for a house beloved by both British acting royalty (Kristen Scott Thomas) and actual royalty (the Duchess of Cambridge). Dolce & Gabbana got the memo, too, showing satin corsets, garter belts and Madonna-esque cone bras at Milan Fashion Week on Saturday. Florence Pugh even wore one of the label’s risque designs in her first British Vogue cover last week — the circle neckline of her puff-shouldered black dress scooping just above the belly button, acting as a full-frontal frame for her bra.
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Look of the Week: Forget the naked dress, Kendall Jenner makes the case for underwear as outerwear
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On Monday, Kendall Jenner stepped out onto the L’Oreal Paris womenswear runway in a scarlet red Mugler gown that might have looked familiar to anyone with a sharp memory of 1999.
The front of the dress was slashed open across Jenner’s right shoulder, exposing a matching denier bra. The peekaboo moment conjured up memories of another example of fashionable flashing: Lil’ Kim’s purple embellished jumpsuit at the VMAs 26 years earlier. On the red carpet, Kim’s left breast was almost entirely revealed by an asymmetrical cut — a mirror image of Jenner’s neckline — save for a matching purple nipple pasty.
Jenner’s Mugler moment was just the latest example of a resurging tendency for underwear as outerwear. At the Nensi Dojaka runway show in London earlier this month, boxy blazers were shrugged over strappy bras while paneled bustiers in sheer fabric were paired with capri trousers and reimagined as going out tops. Brasseries were even left exposed to the elements at Erdem — a departure for a house beloved by both British acting royalty (Kristen Scott Thomas) and actual royalty (the Duchess of Cambridge). Dolce & Gabbana got the memo, too, showing satin corsets, garter belts and Madonna-esque cone bras at Milan Fashion Week on Saturday. Florence Pugh even wore one of the label’s risque designs in her first British Vogue cover last week — the circle neckline of her puff-shouldered black dress scooping just above the belly button, acting as a full-frontal frame for her bra.
But the trend extends beyond just the runways. During the first performance of her “Short n’ Sweet” tour on Monday, singer Sabrina Carpenter took to the stage in a custom Victoria’s Secret bodysuit and stockings. Hand-adorned with over 150,000 crystals, the strapless pink lace-trimmed leotard took over 140 hours to make. On Monday,YouTube star and singer Jojo Siwa inverted the fad by donning a codpiece for a headline-grabbing cover shoot with LadyGunn magazine. The 15th century undergarment was bedazzled with flesh-colored gemstones.
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