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Can I use multiple different elements with inside siblings() in jquery?
and what would be the best practice in jquery to select sibling and can you also please explain why?
Yes. You can put in parentheses of the siblings the types of sibling elements you want, for example:
$("div").siblings("h2, p")
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Is it advisable to manipulate the parent of the DOM that is body element manually in React just like we do in vanilla JS?
Like is it good practice to do like this because here I am not manually manipulating DOM, but instead manipulating it parent element?
document.body.style.overflow = "hidden"
In my experience: It's ok to do this.
Often this sort of thing is done when opening Modals (like Bootstrap)
It's a valid thing to do.
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I have a table and tr row.
Is it a good practice for my `Click` event to be the same tag as `*ngFor`? If it's not a good practice, what can I do to improve the code?
Yes, this is no problem, or we can use routerLink instead of onClick
[routerLink]="['./view', user.id]"
It's okay to have the click functionality on the ngFor tag itself. Because you're sending only the user and not the whole array.
Since u used async pipe, am assuming your array is an observable. Just make sure your observable doesn't cause any issues.
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I've heard (XPath or querySelector?) that XPath (evaluate) can do everything that a CSS3 selector (querySelector) can and even more, but couldn't find what exactly "more" it can do, can you list what exactly is "more"?
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I have a CoffeeScript code that looks like this:
if $('#user_address_attributes_country').val() == ""
$('#user_address_attributes_country').val("PL")
Now I want to do the same thing for a few divs but without repetitions.
How can it be done by jQuery?
The reason you can't apply it multiple times is because your trying to apply it to an element which has an id. They are unique. Use classes and do this instead:
if ($('.user_address_attributes_country').val("")) {
$('.user_address_attributes_country').val("PL");
}
Simple demo: JsFiddle
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Is there a way that you can check the javascript used on an html element ? ie. if my javascript was in an external js script would there be a way to check which part of the js realted to that html object, in the same way you can use firebug to check which css elements are attached to the html ?
There is also a very cool plugin that will help you in this case.
Here is the live DEMO