JS 依照元素出現數量排序
同樣是最近遇到的狀況，需要利用陣列內元素出現的數量進行排序，以下為範例程式：
var array = ["1", "2", "4", "5", "2", "4", "2", "3"];
var str = array.toString();
var filter = [];
var result = [];
document.write("原始陣列：" + array + "<br>");
var get = function (str, tar, arr, tmp) {
if (str.indexOf(tar) >= 0) {
tmp = str.slice(str.indexOf(tar) + 1);
arr.push(tar);
get(tmp, tar, arr, tmp);
}
return arr;
}
for (i in array) {
var elm = [];
var tmp;
var fstr = filter.join();
if (fstr.indexOf(array[i]) >= 0) {
continue;
} else {
var tmp_arr = get(str, array[i], elm, tmp);
result.push(tmp_arr.length + ':' + tmp_arr[0]);
filter.push(array[i]);
}
}
result.sort();
result.reverse();
//按照出現次數排序，不刪除重複元素
var finishArray = [];
for (index in result) {
var show = result[index].split(':');
for (i = 0; i < show[0]; i++) {
finishArray.push(show[1]);
}
}
document.write("按出現次數排序，不刪除重複元素：" + finishArray + "<br>");
//按照出現次數排序，刪除重複元素
var finishArray = [];
for (index in result) {
var show = result[index].split(':');
finishArray.push(show[1]);
}
document.write("按出現次數排序，刪除重複元素：" + finishArray + "<br>");
輸出結果：
原始陣列：1,2,4,5,2,4,2,3 按出現次數排序，不刪除重複元素：2,2,2,4,4,5,3,1 按出現次數排序，刪除重複元素：2,4,5,3,1
cytotec abortion pill purchase cytotec buy cytotec pills
Your way of explaining all in this piece of writing is actually nice, all be capable of effortlessly understand it, Thanks a lot https://reseaufisconseils.com/rien-contre-les-contre-lettres-en-absence-de-trompe-loeil/
9 . What Your Parents Teach You About Car
Locks Smith carkey locksmith (Brian)
Does Technology Make Designer Handbags Large Better Or Worse?
Designer Handbags Popular (Doodleordie.Com)
obviously like your web-site but you have to take a
look at the spelling on quite a few of your posts.
Many of them are rife with spelling problems and I find it very troublesome to tell the
reality on the other hand I’ll certainly come back again.
You’ll Never Guess This Window Repair Near Me’s Secrets Window Repair near me
9 . What Your Parents Teach You About Upvc Window
Repairs upvc window repair (Marshall)
11 “Faux Pas” That Are Actually Okay To Create Using Your Tier 1 Backlinks links tier (Christian)
Nine Things That Your Parent Taught You About Accident Injury Attorneys Near Me injury attorneys near me (Baker-French-3.blogbright.net)
Where Will Keys For Mercedes Be 1 Year From Now?
mercedes Replacement Keys
tamoxifen citrate does tamoxifen cause bone loss clomid nolvadex
Five Laws That Will Aid The Slot Wins Industry Free slots
10 Tell-Tale Warning Signs You Need To Know Before You Buy Automotive Locksmiths automotive locksmith service
Can I simply just say what a relief to uncover a person that truly understands what they
are discussing online. You definitely understand how to bring a problem to
light and make it important. More people need to
read this and understand this side of the story.
I was surprised that you aren’t more popular because you most certainly possess the
gift.
cipro ciprofloxacin purchase cipro antibiotics cipro
How To Become A Prosperous Window Repair Near When You’re
Not Business-Savvy Window Repair Near Me (Ip-Melange.Ru)
Five Killer Quora Answers To Seo Search Engine Optimisation seo search engine optimisation
tamoxifen for gynecomastia reviews nolvadex during cycle tamoxifen lawsuit
5 Qualities That People Are Looking For In Every Are Heat Pump Tumble Dryers Any Good tumble dryers with heat pump
The Reasons Appliances Online Beko Washing Machine Is The Most Sought-After Topic In 2023
Check out my web-site – Near
The One GSA SER Seo Backlinks Mistake Every Beginner Makes get gsa ser List
Why Double Glazed Window Repair Is Quickly Becoming The Hottest
Trend For 2023 Window Repairs Near Me (http://Chernousovajazz.Ru/User/Pianocougar78)
Handbags For Women Tommy Hilfiger Tips That Will Change Your Life tommy hilfiger Bags usa
arimidex vs tamoxifen bodybuilding alternatives to tamoxifen nolvadex estrogen blocker
Hi! I just wish to give you a huge thumbs up for the excellent information you have
got right here on this post. I’ll be coming back to your
site for more soon.
How Private Psychological Assessment Became The Top Trend On Social Media Adhd Assessment Psychiatry Uk
I haѵe beеn surfing online more than three hours today, yet
I never found any interesting articlе like youгs.
It is ⲣｒｅtty worth enough for me. Personalⅼy, if all site owners and Ƅloggers made g᧐od
content as you did, the net will be a lot more useful thaan evеr before.
Fеel free too surf to my bⅼog post – jamuslot
How You Can Use A Weekly Side By Side Fridge Freezers Project Can Change Your Life
What Is The Best Rated Side By Side Refrigerator
Appreciating the persistence you put into your site and
detailed information you present. It’s awesome to come across a blog every once
in a while that isn’t the same old rehashed material.
Fantastic read! I’ve bookmarked your site and I’m including your RSS
feeds to my Google account.
My website … home mobile massage london