Recent questions tagged JavaScript

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how can you make an prototype on an Integer? Integer.prototype.num = function(dec){ return number_format(this.toString(), dec); } See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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javascript - Receiving image through websocket

I am using websockify to display images from a python server to a HTML5 canvas. I think that I have manage ... suggestions on how to fix this? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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javascript - Multiple Axios Requests Into ReactJS State

So I have been placing the following code within my React JS component and I am basically trying to put both API ... setState' of null( ) Thanks See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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javascript - leaflet.js - Set marker on click, update position on drag

for a small project I am working on, I need to be able to place a marker on a leaflet.js powered image- ... .bindPopup(position).update(); }); See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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javascript - Making d3.js compatible with IE8/IE9

I am using a Leaderboard from the following link http://labs.juiceanalytics.com/leaderboard/index. ... out in this. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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javascript - Closures versus ES6 Let

Trying to print series of numbers inside for loop using closures and with let: Consider the following example: for ... need closures with ES6? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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javascript - Is there a preferred way of formatting jQuery chains to make them more readable?

Given this following sample code which clones a table row, sets some properties and then appends it to a table: $ ... into a set of standards. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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javascript - Nodejs/Express: Error: Failed to lookup view "error" in views directory

I switched my nodejs template engine over to ejs (from jade). When I run my app.js with my ejs template, I ... folder (since they aren't views). See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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javascript - Passing keys to children in React.js

I am running through a react tutorial on tutsplus that is a bit old, and the code doesn't work as ... nice exploration of this cool framework. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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javascript multiple OR conditions in IF statement

I think I'm missing something basic here. Why is the third IF condition true? Shouldn't the condition evaluate to ... true. why? Thank you. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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javascript - Why and when do we need to flatten JSON objects?

I am surprised that no one on StackOverflow asked this question before. Looking through the JSON object ... JSON objects Thank you. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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javascript - The CORS Header 'Access-Control-Allow-Origin' is missing

I'm trying to use webUntis'(docs) API for a school project. For now I'm just trying to establish ... error message was translated from German. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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javascript - AngularJS document.ready doesn't work when using ng-view

I have a problem with document.ready in angularJS when navigating between several routes in my app. ... mainModule.config(viewServiceConfig); See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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javascript - react-router does not work in production and surge deployments

My react application is working fine on localhost but when after i deployed it in gh-pages or surge it does not ... be really helpful for me. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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javascript - How to use angular.toJson on a angular controller or scope

Please see my following jsFiddle example where I am trying to push an Angular.js object into a JSon representations ... this? Thanks in advance. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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226 views

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javascript - Add property to object when it's not null

I'm working on a small API and I want to update the data using HTTP PATCH REQUEST without using a bunch ... create the data object dynamically? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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javascript - Uncaught ReferenceError: importScripts is not defined

Why do I keep getting this error? I should be able to use this global function right? http://www.html5rocks. ... ); importScripts('archive.js'); See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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javascript - Retrieve specific hash tag's value from url

In raw Javascript, how would one go about checking that a specific hash tag exists in a url, then grab the ... of either hashtag1 or hashtag2. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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196 views

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javascript - Facebook Style AJAX Search

I've created a Facebook style ajax search for my site where as you type it will bring up the results in a nice ... 100% sure how to do that... See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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javascript - How to interpolate hue values in HSV colour space?

I'm trying to interpolate between two colours in HSV colour space to produce a smooth colour gradient. I'm using a ... ; } } return gradient; } See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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294 views

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javascript - What's the play event on a video html5 element?

I have a video html5 tag embedded on page. I need to trigger an action when the user clicks the "Play Button". ... I'm using jQuery... Thanks! See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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380 views

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javascript - Zoom Google Line chart

I am trying to create a line chart with the Google Visualization API. I want to enable zooming. Documents say ... make a line chart zoomable? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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718 views

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javascript - How to move to prev/next element of an array

Let's say we have a list of integers: var fibonacci = [1,1,2,3,5,8,13,21]; I want to be able ... returns 13 fibonacci.next(); // returns false See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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244 views

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javascript - React Hooks - Making an Ajax request

I have just began playing around with React hooks and am wondering how an AJAX request should look? I have tried ... content here </div> ) } See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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javascript - Parsing address_components in Google Maps upon autocomplete select

I have the following code to parse the country when the autocomplete list is selected: $('#spot_address'). ... is selected? Many thanks. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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javascript - Get response from axios with await/async

I'm trying to get JSON object from axios 'use strict' async function getData() { try { var ip = ... 'm getting undefined instead of object See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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161 views

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javascript - React performance: rendering big list with PureRenderMixin

I took a TodoList example to reflect my problem but obviously my real-world code is more complex. I have some ... Even with reselect. On mobile See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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199 views

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javascript - How does node process concurrent requests?

I have been reading nodejs lately, trying to understand how it handles multiple concurrent requests, I know nodejs ... answer to this question See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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