Since you are not using React.createClass in class methods this doesn’t refers to the component instance, so you should bind it manually. There are several ways: 1. Manually bind this in class constructor 2. Use ES7 Property initializers with arrow function 3. Bind this at call-site In render() method:
Why is it not accurate? Because you are using setTimeout() or setInterval(). They cannot be trusted, there are no accuracy guarantees for them. They are allowed to lag arbitrarily, and they do not keep a constant pace but tend to drift (as you have observed). How can I create an accurate timer? Use the Date object instead to get the (millisecond-)accurate, current time. Then base … Read more
Presuming the simplified HTML code is: Set both body, html to height:100%; Put a div inside body, and set it to stretch across all the body height: This will prevent window from scrolling in weird ways, like, pressing mouse wheel and moving it, using anchors, etc. To remove the scroll bar itself (visually), you should … Read more
Assuming you are using native Map‘s and it’s ok to use ES6, you can use the spread operator to expand Map.keys()
I would say it is easier to use jQuery.ajax: jQuery is a great tool with lots of examples and plugins that allow you to do some pretty amazing things!
tl;dr — There’s a summary at the end and headings in the answer to make it easier to find the relevant parts. Reading everything is recommended though as it provides useful background for understanding the why that makes seeing how the how applies in different circumstances easier. About the Same Origin Policy This is the Same Origin Policy. It is a … Read more
Add a second });. When properly indented, your code reads You never closed the outer $(function() {.
From my reading, async and defer aren’t meant to be used at the same time. While your <script> that loads the API from google is deferred, your <script> with your code is not deferred. (If you remove async and defer your code works, but is theoretically slower.) If you defer your code execution until the document is loaded (and the google api instantiated), then your code should … Read more
bject does not have forEach, it belongs to Array prototype. If you want to iterate through each key-value pair in the object and take the values. You can do this: Usage note: For an object v = {“cat”:”large”, “dog”: “small”, “bird”: “tiny”};, Object.keys(v) gives you an array of the keys so you get [“cat”,”dog”,”bird”]
See: https://stackoverflow.com/a/3777/892536 Using this link, I was able to come up with something that produced the same results you are looking for. Not sure if this is okay for your application or not, but it works: Aspx: Changed the RefreshIt function to do a postback with an argument: Code Behind: Added ‘IPostBackEventHandler’ to the page and … Read more