Recent questions tagged Javascript

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javascript - How to remove the first and the last character of a string

I'm wondering how to remove the first and last character of a string in Javascript. My url is showing / ... simply strip the slashes /. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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178 views

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javascript - Create a node.js native extension on Windows

I'm trying to access a particular native Windows API call from within a node.js application. I believe that ... order to compile the extension? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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749 views

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javascript - Facebook, Twitter, LinkedIn share link count

Is there any way to get the number of users to share a link on Facebook, Twitter, and LinkedIn? Example: How ... option? Is there some API? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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170 views

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javascript - How to upload multiple files to Firebase?

Is there a way to upload multiple files to Firebase storage. It can upload single file within single attempt ... files to the Firebase storage. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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240 views

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javascript - Can script.readyState be trusted to detect the end of dynamic script loading?

I use dynamic script loading to reduce the duration of the initial page load. To ensure that the functions ... and feedback from the community. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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210 views

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javascript - Using Boost with Emscripten

I have a c++ project I would like to convert to a web application. For this purpose, I would like to use ... global namespace using ::FILE; ~~^ See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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javascript - How to wait for AJAX response and only after that render the component?

I have a problem with one of my React components. I think AJAX doesn't load all the content from external ... after that render the component? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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335 views

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javascript - Cleanup memory leaks on an Unmounted Component in React Hooks

I'm new using React, so this might be really simple to achieve but I can't figure it out by myself even though ... > ); }; export default login; See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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160 views

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javascript - How to scale images on a html5 canvas with better interpolation?

First of all: what am I trying to do? I have an application to view images. It uses the canvas element to ... step count: "+scalingSteps); } See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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249 views

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javascript - How to modify current url location in chrome via extensions

I want to create an extension that redirects the user to another website if he clicks on the extension button. So ... this does not work }); See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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385 views

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javascript - Bitwise operations on 32-bit unsigned ints?

JavaScript converts operands to 32-bit signed ints before doing bitwise operations. It also does the operation with 32- ... b == 3973470896 */ See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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296 views

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javascript - Are WebSockets suitable for real-time multiplayer games?

I'm interested in building a small real-time multiplayer game, using HTML5/JavaScript for the client and ... multiplayer games in JavaScript)? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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186 views

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javascript - addEventListener on custom object

I've created an object that has several methods. Some of these methods are asynchronous and thus I want to use ... object can work on its own. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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327 views

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javascript - Automatically adjust height to contents in Ace Cloud 9 editor

I'm trying to add the Ace editor to a page, but I don't know how to get the height to be ... .lineHeight + editor.renderer.scrollBar.getWidth() See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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131 views

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javascript - How to compress URL parameters

Say I have a single-page application that uses a third party API for content. The app's logic is in-browser ... else I should be looking for? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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206 views

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javascript - How to detect string which contains only spaces?

A string length which contains one space is always equal to 1: alert('My str length: ' + str.length); ... a string which contain only spaces? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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205 views

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javascript - var.replace is not a function

I'm using the below code to try to trim the string in Javascript but am getting the error mentioned in the ... itself rather than its value. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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147 views

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javascript - Adding complex HTML using a Chrome content script

I am working with Chrome extension's content script to create a complex display that is added on web pages. I ... a better workflow on this. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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428 views

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javascript - How to interact with leaflet marker layer from outside the map?

I have a leaflet map showing points for public art pieces, rendered from GeoJSON. Next to the map, I created a list of ... ') } }).addTo(map) } See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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179 views

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javascript - Non-ajax GET/POST using jQuery (plugin?)

This is one of those situations where I feel like I'm missing a crucial keyword to find the answer on Google... ... .goTo(url, params, "POST"); See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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161 views

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javascript - Object literal vs constructor+prototype

Object literal=name value pairs wrapped in curly braces. Constructor=a function used to create multiple instance using ... magic they can do. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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110 views

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javascript - Google Analytics Code Explanation

Can someone explain this code 'step by step','line by line'? I would like to learn more about Asynch code and ... send', 'pageview'); </script> See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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140 views

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javascript - Alternative for innerHTML?

EDIT: WOW. This question is 12 years old now. As someone stated, it can be done with a one-liner ... wish to change allready existing text. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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271 views

1 answer

javascript - Google Maps API: open url by clicking on marker

I want to open a new window by clicking on a marker using Google Maps API 3. Unfortunately there are not ... on marker with code above? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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428 views

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javascript - Jasmine - Spying on a method call within a constructor

I want to test whether the following method is called with in my Javascript object constructor. From what I have ... ).toHaveBeenCalled(); }); See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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226 views

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javascript - How to manage log in session through headless chrome?

I want to create a scraper that: opens a headless browser, goes to a url, logs in (there is steam oauth), ... in in my main chrome window) See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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379 views

1 answer

javascript - Simulating touch events on a PC browser

I am developing an HTML application for the iPad. As such it utilizes touch events and webkit-CSS animations. ... events on a desktop browser? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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221 views

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javascript - TypeScript React.FC<Props> confusion

I am learning TypeScript and some bits are confusing to me. One bit is below: interface Props { name: ... second type of React component? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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