What is the difference between the following lines of code? What is a named/anonymous function expression? What is a declared function? How do browsers deal with these constructs differently? What do the responses to a similar question (var functionName = function() {} vs function functionName() {}) not get exactly right?
Flags go at the end. i is for case-Insensitive (or ignore-case)
I’m having issues with the updateMap function in the google Maps API… specifically with using multiple “else if” statements to query data. My code is below. The first “if” works, the first “else if” works, and the last “else” works to update my map, it’s the second “else if” that won’t update my map. The … Read more
Up until jQuery 1.11.1, you could use the following URLs to get the latest version of jQuery: https://code.jquery.com/jquery-latest.min.js – jQuery hosted (minified) https://code.jquery.com/jquery-latest.js – jQuery hosted (uncompressed) https://ajax.googleapis.com/ajax/libs/jquery/1/jquery.min.js – Google hosted (minified) https://ajax.googleapis.com/ajax/libs/jquery/1/jquery.js – Google hosted (uncompressed) For example: However, since jQuery 1.11.1, both jQuery and Google stopped updating these URL’s; they will forever be fixed at 1.11.1. There is no … Read more
document.referrer gives you the URI of the page that linked to the current page. This is a value that’s available for all pages, not just frames. window.parent gives you the parent frame, and its location is its URI. If you want to find the URI of the parent frame, then use window.parent.location.
I practiced the styling as shown below in a different document and it worked there for paragraphs and buttons but, for divs, however, it refuses to do so. The first document.getElementById(‘red’).style.width=”100px”; statement returns an error “Uncaught TypeError: Cannot read property ‘style’ of null at.. “ When I tried it in another document, it worked without placing the … Read more
I am deploying test-bot on ibm watson as described here https://github.com/eciggaar/text-bot and when I am trying to deploy code locally using CLI foundry it is getting the following errors. I am using Nodejs version 6.10.3 and npm version 5.0.4 can someone please help me with this.
There are several ways of checking if an variable is an array or not. The best solution is the one you have chosen. This is the fastest method on Chrome, and most likely all other browsers. All arrays are objects, so checking the constructor property is a fast process for JavaScript engines. If you are … Read more
In the above, you have an async function (the arrow function) which uses await inside. This is fine (albeit pointless as you could return the promise directly). Here: You use await again, and while the function on the right-hand side does return a promise, the function it appears inside is not async so it is not valid. Put it inside an … Read more
I am trying to learn React on my own but having trouble creating a simple navbar for my web page. I would like to place the navbar in the index.jsx file so that it shows up at the top of the page; below is what I have in the index.jsx file.