Get element type with jQuery
Getting the element type the jQuery way: doing the same without jQuery Checking for specific element type:
element
Getting DOM element value using pure JavaScript
Update: The question was edited. Both of the solutions are now equivalent. Original answer Yes, most notably! I don’t think the second one will work (and if it does, not very portably). The first one should be OK. This should also work.
jquery, find next element by class
In this case you need to go up to the <tr> then use .next(), like this: Or if there may be rows in-between without the .class inside, you can use .nextAll(), like this:
How can I check if an element exists in the visible DOM?
It seems some people are landing here, and simply want to know if an element exists (a little bit different to the original question). That’s as simple as using any of the browser’s selecting method, and checking it for a truthy value (generally). For example, if my element had an id of “find-me”, I could … Read more
Accessing elements by type in JavaScript
In plain-old JavaScript you can do this: In jQuery, you would just do:
Deleting array elements in JavaScript – delete vs splice
delete will delete the object property, but will not reindex the array or update its length. This makes it appears as if it is undefined: Note that it is not in fact set to the value undefined, rather the property is removed from the array, making it appear undefined. The Chrome dev tools make this distinction clear by printing empty when … Read more
Numpy ValueError: setting an array element with a sequence. This message may appear without the existing of a sequence?
You’re getting the error message because you’re trying to set an array element with a sequence. I’m not trying to be cute, there — the error message is trying to tell you exactly what the problem is. Don’t think of it as a cryptic error, it’s simply a phrase. What line is giving the problem? … Read more