How can I remove duplicate Objects from array of Objects in javascript?
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There are ten answers to this question.
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I have an array of objects var arr = [ {id: 1, name: 'Apple'}, {id: 1, name: 'Mango'}, {id: 2, name: 'Pear'}, {id: 2, name: 'Orange'} ]; How to make sure arr contains only unique objects?
Answer:
Using Array.filter. When into filter function returns true, the element is maintained. The temporary...
user544079 at Stack Overflow Mark as irrelevant Undo
Other solutions
I am working on a Backbone app that requires the input of rows of data (read: an array of objects). I have the form set out like so: <tr> <td><input type="text" name="items[][qty]"></td> <td&...
Answer:
You don't really need a plugin or library, it is pretty trivial to write yourself. var formData = new...
William Teo at Quora Mark as irrelevant Undo
I am using Django/jQuery to render my web pages for my project. I have a particular predicament that I have not been able to resolve. I hope that some one may be able to help. <b>Set up:</b> I use jQuery on ready function to invoke Google...
Answer:
Declare a js variable in a script tag within HTML and directly use in external js files.<script...
Gagan Khanijau at Quora Mark as irrelevant Undo
JavaScript is a loosely typed programming language which doesn't foster a strong opinion on types, which means programmers can't define a class of data type but object prototype, in which manner developers define objects, not types. This seemingly design...
Answer:
If you want my opinion, it's so painful in JS that it's not worth doing. And yes, the reasons are essentially...
Toby Thain at Quora Mark as irrelevant Undo
i have a class Person which creates Person-objects, and i need to store these objects in an array located in another class Payroll. also need methods to add and remove Persons from this array. how do i do this?
Answer:
private List<Person> people = new ArrayList<Person>(); public void addPerson(Person person...
Morten H at Yahoo! Answers Mark as irrelevant Undo
So I'm a frontend engineer, but I've been more so interested in things that I see accomplished on sites like CodePen or Hakim el Hattab's site; these incredibly intricate JavaScript animations. The amount of articles that I've gone through that give...
Answer:
Probably I can say the best explanation about animations is given in the below link. Animation and The...
Sadanand Teggi at Quora Mark as irrelevant Undo
I've got basic Javascript down, can create loops, if/else etc. But I hit this and my head explodes, especially the exercises at the bottom. Lists (objects nested in objects), recursive functions, etc. Data Structures: Objects and Arrays Can you write...
Answer:
To briefly answer your question: Yes, you can. The fact that you've been trying this for hours and have...
Anonymous at Quora Mark as irrelevant Undo
My original question was. I am creating a game that uses a function that checks whether an integer exists within an array. If it does, then the function will perform A otherwise it performs B. For example this is what I have. if(isitthere(image)){ /...
Answer:
Define a two dimention array. Array is a reserved word so use something more imaginative for the name...
James at Yahoo! Answers Mark as irrelevant Undo
I am creating a game that uses a function that checks whether an integer exists within an array. If it does, then the function will perform A otherwise it performs B. For example this is what I have. if(isitthere(image)){ //image is an integer. So image...
Answer:
You don't want to do that. Trust me. You want to create another array and put your three arrays in it...
James at Yahoo! Answers Mark as irrelevant Undo
I have this is my code. if(inArray(image)){ //image is an integer e.g 1 or 2 or 3. The code is comparing the value of image to an array. Let's say this is the array. example=new Array(1,2,3); And let's also say the value of image is 2. This is the function...
Answer:
Yep, two dimensional array. It's essentially a set of arrays within another array. So... example = new...
James at Yahoo! Answers Mark as irrelevant Undo
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