Use this: Basically, the slice() operation clones the array and returns a reference to a new array. Also note that: For references, strings and numbers (and not the actual object), slice() copies object references into the new array. Both the original and new array refer to the same object. If a referenced object changes, the changes are visible to both … Read more
Move the options part to the Chart creation: Here’s an example from the docs.
If you are interested in finding out whether a variable has been declared regardless of its value, then using the in operator is the safest way to go. Consider this example: But this may not be the intended result for some cases, since the variable or property was declared but just not initialized. Use the in operator for a … Read more
I am getting this error when I run npm start to run my express app. my app.js code my index.js code I am quirte new to using Node and express. I cant see where I have gone wrong. Can anybody see what my problem is?
$.delay is used to delay animations in a queue, not halt execution. Instead of using a while loop, you need to recursively call a method that performs the check every second using setTimeout:
The cleaner way would be to not use .forEach. It’s almost never needed if you’re using TypeScript or a modern version of JavaScript: If the code inside your loop doesn’t have any side-effects and you’re just checking for a condition on each item, you could also use a functional approach with .some:
From the Docs: Then you do
I have two demos, one with jQuery and one without. Neither use date functions and are about as simple as it gets. Demo with vanilla JavaScript Expand snippet Demo with jQuery However if you want a more accurate timer that is only slightly more complicated: Expand snippet Now that we have made a few pretty … Read more
You should provide a selector to the on function: In that case, it will work as you expected. Also, it is better to specify some element instead of document. Read this article for better understanding: http://elijahmanor.com/differences-between-jquery-bind-vs-live-vs-delegate-vs-on/