javascript sammlung

I'm trying to save a regular expression as RegExp Object in a Meteor Session for a MongoDB quer… Read more Meteor: Save Regexp Object To Session

How could a child component pass its value to the parent component? Here is my child component: Jav… Read more Passing A Value To The Parent Component

I wanted to know if there was anyone out there that knows how canvas.toDataURL('image/png')… Read more Canvas.todataurl("image/png") - How Does It Work And How To Optimize It

With an Array of Promises how do I wait until they have all resolved before proceeding? Below is an… Read more Waiting For Promises To Resolve Within An Array

I'm implementing a simple web-page, in that page, I have multiple div objects, what I'm try… Read more How Do I Refresh The Contents Of A Single Div

I have a large set of data to be plotted on google map. Because of the data set size, google map al… Read more Ui Responsiveness And Javascript

I`m trying to use the groupBy function of Lodash to reshape a nested array. I get the book store da… Read more Lodash Groupby Nested Array

I am doing site, which will help people to collect their water meters readings. At the moment I am… Read more Validating Input Fields. Usability

By using the Chrome Development Tools, I found out arrays and objects were being allocated. I gone … Read more Memory Being Allocated

I want to check the button pressed or not pressed. How do I can do it? I've already tried to d… Read more Js: How To Check A Button Was Disabled?

I'm using the Blogger Protocol API and I'm having trouble deleting posts. I'm working … Read more Delete Post With Blogger Api

I have a form as Solution 1: You can submit an html form from javascript by calling the form's… Read more Posting A Form With Hidden Fields Without Submit Button Click

First of all, there are many answers for this type of questions but none of them work for me becaus… Read more Submitting Textarea When Clicked Enter

Thanks a bunch for reading this newbie's question. So, there is a ReactJS app which is using fi… Read more How Can You Persist A Logged-in User With Firebase?

I have a VueJS frontend that is connected to a Rails API backend. In one of the endpoints, I am usi… Read more Using Js To Consume A Rails Send_data Response

i have a form which when submitted goes to login page of another site and After the authentication … Read more Read Values From Form Post In Jquery Or Javascript

I am trying to use a javascript method in a content page (Referencing master page) to get the curr… Read more Get Page Dimensions Using Javascript In A Content Page

I have been having issues with node js. Here is the relevant code (app.ts): const express = require… Read more Syntaxerror: Cannot Use Import Statment Without A Module, Typeerror [err_unknown_file_extension]: Catch 22

Suppose I have two possibly infinite streams: s1 = a..b..c..d..e... s2 = 1.2.3.4.5.6.7... I want t… Read more How To Interleave Streams (with Backpressure)

if I have an object like let person = { firstName: 'Krishna', lastName: '… Read more How Do I Make A Specific Property Of An Object Immutable In Javascript?

I've read many articles on promises and async/await. They all seem to deal with working with AP… Read more Does Wrapping A Function In A Promise Cause The Function's Code To Be Executed In Parallel By Another Thread?

While trying to fetch the FCM messages in node.js using firebase module, following error 'TypeE… Read more Typeerror: Firebase.messaging Is Not A Function In Node.js

Using javascript, how can I capture the string example.com from the current domain http://example.c… Read more What's A Good Regular Expression To Capture The Root Domain Of A Given Url?

Here is the function that i want to use in a web page and want to call it in script node as other j… Read more How To Call Embedded Java Function In A Web Page

I am working on a bot i made a roast command i am getting this error internal/modules/cjs/loader.js… Read more How To Fix Must Use Import To Load Es Module Discord.js

How can I create a Perl array from a JavaScript array that is passed via AJAX? Perl Access: @searc… Read more How Can I Pass A Javascript Array Through Ajax To A Perl Script?

I've got an app that runs fine locally, but barfs in production. (Classic problem, right?) In … Read more Javascript Not Loading Due To Net::err_content_length_mismatch

I'm experimenting with PHP together with Ajax and JQuery to make a site where I can write to a … Read more Webbrowser Is Not Showing The Updated Version Of A Txt File But Opening A New Browser Shows Correct File

I want to do the inverse of what I've been finding so far. I'm setting a lot of heights wit… Read more How Do I Navigate To Hashtag After Page Load?

http://plnkr.co/edit/fXo21LnphHZ3qWnuEMFt?p=preview Right now, if you click anywhere outside of the… Read more How To Modify This Directive, So That Once The Input Is Visible, It Won't Be Hidden Unless The X Is Clicked?

I'm trying to be OAuth2-authorized by using the gapi library from inside an HtmlService project… Read more Apps Scripts Oauth2 Authorization Using Gapi From Inside Htmlservice

I have a JavaScript date object which has come from an API; but when I use Moment to do some date m… Read more Momentjs And Timezone/utc Calculations

I've seen multiple times usage of switch(true) and have used it today myself instead of multipl… Read more Switch (true) As Alternative To Else If

I am trying to write a simple form on HTML/Javascript where I type in a number, adds one and then d… Read more Getelementbyid Or Parseint Not Working?

I need to change the font of element created by the createTextNode() function: var s = document.cre… Read more Change Font After Createtextnode()

There are tools that are used by several thousand employees at my job. They are currently stored o… Read more Use .aspx File As A Server-side Code To Be Called Via Ajax By Html/javascript Client

I have some JavaScript that is being used to open a new window and display a PDF file. This is work… Read more Setting The Page Title Of Chrome Window.open

I want to return filtered observable from Array, but when I am subscribing to this observable it do… Read more Rx Js Filter Method Does Not Return The Filter Array

I am having a problem with comparing object typed Env variable with the response's object in Po… Read more Postman: Comparing Object Environment Variable With Response's Object

I have a div which holds 2 input fields and buttons to change the background color of the div on cl… Read more Button Click Temporarily Changes Div Background Color, Not Permanently As Intended

Project Link: https://databasetable-net.000webhostapp.com/ This following code correctly deletes a … Read more Server-side Table Deletes Row From Tables (but Not Database) Using Js, Php, Or Ajax

Is it possible to position: absolute a over a Flash banner without adding wmode='transparent&#… Read more Position: Absolute A Div Over Flash

Let's say there is a new row inserted into database. How can I display a notification once in a… Read more How Can We Show Recent Notifications In Jquery/php/mysql?

For my public files, I usually use: @routes.Assets.at('data/table.txt') in regular html Ho… Read more Putting Javascript Variable Into Play Function

I noticed something while trying to extend Array.prototype. I essentially wanted to write a method … Read more Javascript Array Length Modification Implications

I have this code that is working originally: Please Select Solution 1: As suggested in Comments, y… Read more Multiple Java Script In One Page Error

I have a couchdb database containing different types of documents. Unfortunately some of those docu… Read more Temporary Couchdb View Of Documents With Doc_id Matching Regular Expression

If I want subscribers to initially get at least X, can I use startWith( X ) for an existing Observa… Read more Does Startwith() Operator Turns Observable Into Replaysubject(1)?

I cannot get an image to switch back and forth between 'hidden' and 'show' I'm … Read more Image Will Not Switch Between Hidden And Show

I'm doing input validation on the following field and I want to set a default value. What I mea… Read more Get The Entered Value On Number Input Field, Not The Parsed

Does javascript function stored in memory once when we define a function anywhere weather its in ob… Read more Is A Function Stored In Memory Only Once?

How can I remove tab space value from a text box. My functional code is:: function validTitle() { i… Read more Removing Tab Space From Text Box In Javascript

I'm pretty new to HTML and JS, but I'm trying to learn some of the basics. Now I'm exp… Read more Move Dynamically Created Svg With Mouse

Possible Duplicate: sort not working with integers? How to sort number in javascript sort method Ar… Read more Why Javascript Sort() Function Is Not Giving The Expected Output?

is it possible to change the innerhtml of all the td when it has the input inside, i mean to take t… Read more Apply Values Of Inputs To All Its Td Innerhtml

I have looked at this question in stack overflow about objects guaranteeing order. Does JavaScript… Read more Javascript Appending Object Doesn't Guarantee Order

In the book Professional Javascript for Web Developers i read that primitive wrappers are used inte… Read more Primitive Wrapper Behavior In Javascript

I'm writing a Chrome extension, used to switch between different search engines. The manifest.j… Read more How To Redirect Current Tab's Url In Chrome Extension?

I can't understand why getElementsByClassName isn't working here. Solution 1: The function… Read more Why Isn't Getelementsbyclassname Working?

I have small android app. I made APK file from phonegap.com. Now I tried to upload that APK file o… Read more Phonegap : How To Upload Apk Files On Google Play Store

I am trying to capitalize the first letter of only the first word in a sentence. This is the data i… Read more How To Capitalize First Letter And Lowercase The Rest Of The String

i'm trying to create a dropdown menu in CKEditor to group some normal button tool just because … Read more Ckeditor 4.7 - Justify Group Menu Button

I'm trying to use a drop down window to be able to change the rate of which a video is playing … Read more Html5 Video Playback Rate

I have this code below that popups the cell value whenever the user clicks a specific cell. What I&… Read more Append Table Array Value To Another Array

I have a div in an asp.net master page with runat=server. What I want to do is from codebehind when… Read more Div Adding Redirect And Background Image From Code Behind In Asp.net

I want to use dat.GUI to manipulate the coordinates of a mesh vertices. At first I thought I could … Read more Verticesneedupdate In Three.js

This question is about d3 version 3.x and path movements. Imagine there is a path and a circle elem… Read more How To Move Along A Path But Only Between Two Specified Path Points

When 'Saving as SVG' in Illustrator, this is the typical result: Solution 2: According to … Read more Illustrator/svg To Javascript Workflow? (a Templating Library?)