JavaScript Info

why this is happening in javascript? 'abc'.indexOf('a'); //0 'abc'.i… Read more Indexof Empty String Is Zero. Why?

UPDATE 2: OK, looks like it runs the first time after a minute. How do I get it to run onload, the… Read more Help Chosing Between Settimeout And Setinterval

following is my code:- posting full code index.android.js import React, { Component } from 'rea… Read more Navigate To Another Screen From Tab-view Screen Not Working

I am trying to find a way of copying the last row of a form submission to another sheet within the … Read more Copy Last Row Onformsubmit If The Value On Column 2 Matches The Value

I need to access the (for example) Chrome Developer Tools network tab with JavaScript. I only need … Read more Javascript - Access Network Tab Via Javascript

I have an HTML table and insert a row using Javascript via the onclick event of a button. This is … Read more Why Can The Row In A Html Table Not Be Read From Code Behind (vb.net)?

Having trouble getting the following code to work: $('#changeMode').button().click(function… Read more Switching Between Two Different Classes Jquery

I have some heavy forms that I'm dealing with. Thus, I'm trying to squeeze performance wher… Read more React - Functions As Props Causing Extra Renders

I have the following HTML code: How do I check if the s of the are displayed? For example, this i… Read more Check If Select Is Displaying Options

I'm building a webfrontend and the user should be able to select some pictures and delete all o… Read more How Can I Change The Priority For Calls In My Parse Server In Javascript?

I am trying to set the 'src' attribute for an iFrame. It works great on FireFox and Interne… Read more Mobile Safari And Iframe Src Attribute

Working with redux-saga, I wrote some tests. I tried to generate code coverage using istanbul.js. I… Read more Test Code Coverage Javascript Es6 Generators (redux-saga / Istanbul.js)

I have a matrix algorithm: Input: const input = [ ['Camry', 'Toyota', 'Jan&… Read more Add New Summary Row For Cols Share The Same Vales Of 2 Different Cols

i have a simple carousel with main div. inside the main div there is a ul that has width of 6000px … Read more Vanilla Javascript Carousel Not Sliding

I need to detect collision circle with any line. I have array with verticles of polygon (x, y) and … Read more Circle Line Segment Collision

I'm trying to scrape this page with HtmlUnit. In the Xml, it says 'You are currently browsi… Read more Web Scraping Javascript With Htmlunit - "you Are Currently Browsing With Javascript Turned Off"

I am trying to create a multi-line chart upon this example, and need to draw multiple lines dynamic… Read more Draw Multiple Lines In Line Chart Dynamically

I'm learning javascript and windowsazure mobile services. As a learning lesson I created a … Read more Azure Mobile Services: Basic Read Function In Javascript

I'm messing with a WordPress plugin. When I scroll down about 50 pixels from the top, something… Read more How To Track Down Javascript That Is Modifying The Inline Style Of A Div In The Dom?

I am currently working on an angular2 application which uses Google Maps. I have embedded and insta… Read more Google Object Undefined Using Angular2-google-maps And Google Places Searchbar