How to use Greasemonkey to remove a href block [duplicate] - javascript

This question already has answers here:
Greasemonkey, delete <a> element
(2 answers)
Closed 7 years ago.
I'm trying to remove the following line of code from http://trakt.tv/calendars/my/shows/ using Greasemonkey:
<a href="/vip">
<div class="huckster-vip-square">
<div class="inner">
<div class="text">
<h1>Support Trakt & become a VIP!</h1>
<h2>Hide advertising, unlock extended features and help Trakt grow.</h2>
<div class="btn btn-primary">Learn More</div>
</div>
</div>
</div>
</a>
How can I do that?

You may try it with jQuery.
Please refer to this question for using jQuery in Greasemonkey.
The JavaScript code would be like:
$("a[href='/vip']").remove();

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Button to flip all hover flip cards at once [duplicate]

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I am creating hover flip cards for an instructions manual, and I would like to create a button that would flip them all at once. To get the cards flipping, I only relied on CSS, but to make the button I need some javascript, which I have no idea how to use. Can anyone help me?
<script>
const flip-card = document.getElementByClassName("flip-card-inner")
flip-card.addEventListener("click",flipCard);
function flipCard() {
card.classList.toggle("flip-card-inner");
}
</script>
<body>
<button type="button" class="flipCard">Flip all</button>
<p/>
<div class="flip-card">
<div class="flip-card-inner">
<div class="flip-card-front">
<h5>Title</h5>
</div>
<div class="flip-card-back">
<ul style="font-size: 10pt;">
<li>Some text</li>
</ul>
</div>
</div>
</div>

Trying to understand the following HTML code [duplicate]

This question already has an answer here:
what are data-* HTML attributes?
(1 answer)
Closed 4 months ago.
<div class="off-canvas-wrap" data-offcanvas>
<div class="inner-wrap home">
<nav class="header row">
</nav>
<!-- Off Canvas Menu -->
<aside class="right-off-canvas-menu">
<!-- close the off-canvas menu -->
<!-- whatever you want goes here -->
<div class="close">
In the first line, I can understand after div the class. Then, data-offcanvas. What is this? I noticed this while viewing the "view source page" of a web page.
Please help me to understand above html code.
data-offcanvas is a non standard or custom attribute which in this case appears to have no value.
You can read more in this here:
https://www.w3schools.com/tags/att_data-.asp

Preventing Specific Anchors from Adding Irrelevant Entries to Browser History? [duplicate]

This question already has an answer here:
Is There an Alternative Method to Mimic the Behavior of an Anchor Link/Target Pseudo-Class?
(1 answer)
Closed 5 years ago.
Is it possible to prevent selected anchors from adding to the browser's history?
For a site I am working on now, this is a particular issue when I try to prompt back to a previous page. By doing so the anchors repeat in the order they where activated, and I have to click back more than once before returning back to the previous page.
Here's some code I am currently working with. Is there a function I can implement to achieve this result?
<!-- Image with Anchor to Open Lightbox Window -->
<div class="container">
<a href="#view">
<div class="pic">
<img src="https://URLTOPIC.jpg">
</div>
</a>
</div>
<!-- Lightbox Prompt with Anchor to Close Window -->
<div class="customlightbox lb-animate" id="view">
<div class="customlightbox-imgwrap">
<img class="imgsrc" id="customlightbox-img" src="">
</div>
</div>
<div id="customlightbox-controls" class="lb-animate">
<a id="close-customlightbox" class="lb-animate" href="#!"></a>
</div>
Any help would be much appreciated!
When using a empty anchor, for example <a id="close-customlightbox" class="lb-animate" href="#!"></a> which is used as a button, you can set the href this way that will disable the anchor events <a id="close-customlightbox" class="lb-animate" href="javaScript:void(0);"></a>
You can read more about the javascript URI scheme What does "javascript:void(0)" mean?
For the links you are using to trigger the models, avoid the default behavior for it to be added to the window.history object
document.querySelector('.trigger').addEventLister('click', function(e){
e.preventDefault();
//Do your stuff
});

what's the equivalence of "visible-xs" in bootstrap 4 [duplicate]

This question already has answers here:
Missing visible-** and hidden-** in Bootstrap
(13 answers)
Closed 5 years ago.
I was using bootstrap 4 and watching a bootstrap 3 course and when i apply what I've watched i see noting happens so after a lot of search i realized that in bootstrap 4 there is nothing called visible-xs, visible-sm, visible-md and visible-lg as well as hidden-* so. I tried read a lot but i can't understand it really well because i'm new to css and bootstrap. what i want is the equivalence of each visible-* and hidden-* in bootstrap 4 (showing elements only on one platform)
my try:
<div class="container">
<div class="row">
<div class="col-md-6 col-lg-3">
<div class="visible-xs">Extra Small Devices</div>
<div class="visible-sm">Small Devices</div>
<div class="visible-md">Medium Devices</div>
<div class="visible-lg">Large Devices</div>
</div>
</div>
</div>
According to BS4 alpha documentations,
They have been replaced by .hidden-xs-up .hidden-xs-down .hidden-sm-up
.hidden-sm-down .hidden-md-up .hidden-md-down .hidden-lg-up
.hidden-lg-down.
You could read everything about migration in BS4 Documentation directly.

Prevent Vue.js to display brackets on slow clients [duplicate]

This question already has answers here:
How do I hide the VueJS syntax while the page is loading?
(12 answers)
Closed 6 years ago.
I just made my first Vue.js app and it is awesome. The only problem that I have had is related to binding values on slow connections.
For example, in my template I have this code:
<div v-for="event in events">
<div class="start_time">
{{ event.start_time_formatted }}
</div>
<div class="icon_placeholder">
<img v-bind:src="event.icon" alt="Sport Image" />
</div>
<div class="event_title">
<a v-bind:href="event.url">
{{ event.title }}
</a>
</div>
<div class="button_placeholder">
<a v-bind:href="event.url" class="btn btn-filled">
Watch
</a>
</div>
</div>
But the problem is that I get this result until all my site's assets are loaded:
For example, in AngularJS example, you can bind values by using directives and prevent the brackets from being displayed.
How can I achieve this effect in Vue.js?
v-text should allow you to render more angular-ish, and and v-cloak can help you hide template content until compilation is finished for situations where you need mustache tags.

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