Questions tagged [javascript]

JavaScript (not to be confused with Java) is a high-level, dynamic, multi-paradigm, weakly-typed language used for both client-side and server-side scripting. Use this tag for questions regarding common implementations of ECMAScript, JavaScript, JScript, etc. JS does not typically refer to its ECMA-cousin, ActionScript.

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1answer
160 views

Did GO embrace any language construct introduced in Java?

GO has embraced, 1) JavaScript/Python language constructs, Higher order function Closure Slicing Range operator Anonymous function(inner function) Provides abstractions ...
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1answer
93 views

What is the truh concerning pasting data into a browser? [closed]

I am hearing a ton of different info. I just found this in a site The 'paste' operation in the context menu or button press is not possible. It is not possible because of a browser security ...
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2answers
84 views

How can I calculate the radius of an arc given by a series of points

Given a series of points, I need to assert that the plotted points form an arc (with a certain level of confidence), and I need to approximate the radius of the arc. For example, the following points ...
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2answers
3k views

Reliable device/browser/OS detection [closed]

Is there some reliable way to detect device/browser/OS of web page visitors except using the user agent string? This is not for rendering/functionality of the web page/application, but only for ...
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1answer
7k views

Using forEach on empty array [duplicate]

I have a dynamic array that can often be empty, and I need to iterate over all its elements. So far I have such code: array.forEach(function(item, index) { //stuff here }); It works fine of ...
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1answer
151 views

Rewrite legacy code or continue to live with it [duplicate]

Last year I decided to create a web-based SAP Business One extension system consisting of a JavaScript SPA written with Aurelia that communicates with two REST backends written in Go and Java (...
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1answer
1k views

How does the typescript transpile function work

Assume the following: /// file.ts var x = "hello"; x = 1; console.log(x); /// file.ts function transpile(fileName) { ... } What steps would typescript take to transpile the file? How and when ...
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5answers
259 views

I learnt a languge suppose (Java). I also know python. I want to write a simple app. Is there any way to run both language same Time?

I had been learning python and i know Java. if i were to write a simple program, can i write both programming language in one document or compiler? I got into this problem because if i cannot merge ...
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0answers
16 views

Nested Json response from NodeJs and MySql

I have 3 Mysql tables, a vendor table with a list of vendors, a categories table with a list of categories that these vendors have in there stores, the categories table is linked to to the vendors ...
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1answer
150 views

Variables Naming in Javascript and PHP

Is it a good idea to use the same naming nomenclature (e.g. camelCase) for both front end (eg. Javascipt) and backend (eg. php) ?
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1answer
841 views

What are the benefits of using Jasmine Framework on existing applications?

I got one project which contains JavaScript code. No unit tests were written for JavaScript code. So it is feasible or beneficial to write unit test cases using Jasmine Framework for code? What are ...
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1answer
1k views

How to compare and replace value from two object inside array?

Here i want to replace price in data1 to price from data2, and it updated if the id is same. Is it possible to do that without nested loop? var data1 = [{ "id": "56e641d4864e5b780bb992c6", ...
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6answers
13k views

How to not let anyone inspect elements of a webpage?

I was thinking to make some jQuery functions that will use ajax to control mysql. The whole idea is to make separate files of PHP (e.g query.php, addRow.php, update.php and delete.php) provide data to ...
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2answers
966 views

Technology like SignalR but client side [closed]

I would like to program a software that will heavily utilize client side development (JavaScript), and I want to communicate with the server. Is there a way similar to SignalR where I can keep ...
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2answers
157 views

How do I make such a page that opens different link in web (PC) and different in mobile (phones)?

I am building a website that looks beautiful in Web but worst in mobiles. I want to build the same site but different designing for mobile. Whenever user opens site.com then it auto redirect to m.site....