JavaScriptKit | Swift framework to interact with JavaScript | Binary Executable Format library
kandi X-RAY | JavaScriptKit Summary
kandi X-RAY | JavaScriptKit Summary
Swift framework to interact with JavaScript through WebAssembly.
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Currently covering the most popular Java, JavaScript and Python libraries. See a Sample of JavaScriptKit
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Community Discussions
Trending Discussions on JavaScriptKit
QUESTION
I'm a bit confused on what's required to dynamically load a JS file into the DOM.
When I include in my HTML file, example.js will run normally.
When I include it will add to the DOM but not run it.
I previously believed that I had to recreate , then append() it to the tag. I feel as if I am missing a crucial step, I just don't know what that step is.
example.html
...ANSWER
Answered 2019-Dec-29 at 15:59So I found the issue was with the order that I was resolving code. It took forever to find because there was nothing inherently wrong with my code, but the sequence was wrong.
I was calling everything in the correct order, but the order that things were resolving in my network panel were incorrect.
Once I fixed the sequence that things were being loaded into the DOM, everything worked as expected.
Fix #1
Because my XMLHttpReqests should be asynchronous, I put all the calls into a single Javascript file so they would run synchronously.
I needed Javascript files to be loaded in the tag before loading function calls that reference those files.
The function calls I wrapped in window.onload = function(){}.
Basically my final solution was for any that I was dynamically placing in example.html I would wrap in window.onload = function(){}.
i.e.
Fix #2
I was using the onload wrapper window.onload = function(){} in a location that did not make sense. Also it may have been nested within another window.onload function at one point while debugging, which probably didn't help.
QUESTION
To preface: this is something that I plan to reuse & add to for various web pages. Due to that, I don't want to use any JQuery for this, partially because many pages I use this on won't need anything else (making my use of JQuery sort of like filling a fifty gallon bucket with flour just to use a teaspoon of that flour), & partially because this is designed for mobile browsers with sparse resources.
JQuery's lack of efficiency may not seem like such a big deal, especially since the size of its consolidated library is under 31MB, but according to this page, something as fundamental to JavaScript as its document.getElementById('foo'); call is nearly 16x faster in Chrome than JQueries equivalent: $('#foo');. Also, despite $('#foo'); being faster in Firefox and Safari than it is in Chrome, document.getElementById('foo'); is still 10x faster in Safari, & an astounding 500x faster in Firefox. Though, if you have a source with contradictary info, feel free to post it in the comments & upvote the comments of any who already did.
I have a set of nav links that I'm trying to move up, at a speed, and to a postion, relative to how far they are from the first nav link. To help give you an idea of what I mean, here's an animation of my nav bar (done with JQuery slideUp & slideDown functions) so you can see how it works (& stutters):
I'll also include the HTML of the navigation bar if that helps:
...ANSWER
Answered 2019-Nov-09 at 05:44It didn't take me too long to solve this by turning the variables I was trying to pass from tick() to itself everytime it called itself, into external variables. If my answer was as simple as that, though, I would not make it. However, there were a few optimizations that made a huge difference for my use on mobile browsers. The first & most minor optimization I made was to remove superfluous elements from the nav:
QUESTION
Something like the windows mouse trail.
Instead of the default pointer could there be a custom picture or gif for a webpage in most likely javascript.
And how would I go about doing this, if its possible?
Edit: Thanks for some answers I tried
http://www.javascriptkit.com/script/script2/simpleimagetrail.shtm
And it for some reason made the 'trail' pretty far away from my mouse (disregard the dot trail)
...ANSWER
Answered 2018-Jan-09 at 04:44you should learn javascript. here some example simple cursor image trail
QUESTION
I am using a bit of code served by javascriptkit.com which dynamically create an audio element and load a given source file. I modified it a bit to set a loop attribute then play continuously on jQuery mouseenter(). This all works properly.
I added a function stopSound and jQuery mouseleave() to trigger that stop method, but the audio continues to play without the mouse on the element. The console does not show any errors, yet it fails.
Here is the code
...ANSWER
Answered 2018-Sep-26 at 00:52soundFx() is going to create and return a new audio instance when it is called. It is not going to return the instance created in a previous call. You will need to modify your code to keep track of your sound instances, test to see if it was already created returning it if so, otherwise create it and add it to the tracker.
For instance you could make a Map list using the source url as a key.
QUESTION
I did some researches on other posts related to swipe functionality and found a useful function however it also affects click events.
Here is the link I found that is swipe function useful: http://www.javascriptkit.com/javatutors/touchevents2.shtml
Is there a way to tweak it and to make click event work.
Here is the sample fiddle http://jsfiddle.net/8rscLo1z/4/ (P.S. Use toggle device toolbar in chrome to work)
Swipe trigger:
...ANSWER
Answered 2018-Aug-13 at 08:04On your touchend event listener, var distX pertains to the distance travelled by the touch (swipe). You can add additional if condition wherein it will check if distX is equal to 0.
Update you code from:
QUESTION
I'm experimenting with a lot of success with CSS3 Custom Properties (aka CSS Variables). I'm talking about the --black: #000; and background: var(--black); type variables. However, I'm having no luck when variables are declared in separate linked documents.
With CSS Custom Properties being at over 72% browser compatibility (src: https://caniuse.com/#search=css%20variables), I'm keen to start using them in a very specific app where I know my audience are using compatible browsers.
I'm wondering whether these CSS Custom Properties are global in scope across all linked CSS documents or whether they are only global (at the :root element) per document?
I'm not able to find an answer (even in the spec)!
Some of the research I read:
- https://drafts.csswg.org/css-variables/#defining-variables
- http://www.javascriptkit.com/dhtmltutors/css-variables-tutorial.shtml
- https://www.smashingmagazine.com/2017/04/start-using-css-custom-properties
- https://css-tricks.com/css-custom-properties-theming
- https://www.sitepoint.com/practical-guide-css-variables-custom-properties
- https://www.toptal.com/front-end/dynamic-css-with-custom-properties
- https://googlechrome.github.io/samples/css-custom-properties/
- https://tympanus.net/codrops/css_reference/custom-properties/
My specific problem is occurring in a Ruby on Rails application, where I'm including the CSS Custom Properties in a
<%= stylesheet_link_tag 'application', media: 'all' %>
ANSWER
Answered 2018-May-31 at 06:55In MDN:
Custom properties participate in the cascade: each of them can appear several times, and the value of the variable will match the value defined in the custom property decided by the cascading algorithm.
It works just like any other CSS properties. It should be declared in the ancestor of the target element. So usually it would be declared to the top-level element html or root:.
It does not matter whether CSS custom properties are declared in an external CSS file or the same file.
The following is a sample using two external CSS files. It works on Firefox, Safari and Chrome.
https://thatseeyou.github.io/css3-examples/basics/customproperty.html
variables.css :
QUESTION
I have a Javascript file that I can get to work perfectly when you enter the page address directly into a browser, or from a direct link inside an email etc.
However, If the page with the JS is open via a link from somewhere else on the same site, the JS doesn't work. For example, I have that page linked from my homepage, and when the JS page loads, nothing happens - but, if I then refresh the page, it works again.
Any help would be greatly appreciated
Here is the code - (it is a random image generator):
edit - the Page address is www.symmonegordon.com/your-card
...ANSWER
Answered 2018-Feb-04 at 03:53To elaborate further on what SLaks had started on, you should definitely use DOM APIS. For example, document.querySelector might be a good fit here. For this pretend exercise, lets imagine you have a div with a class of "random-image" on your page.
QUESTION
Sorry to be such a noob, but I've looked for this answer and can't find anything relevant.
Im trying to add some javascriptcode to a squarespace website. The code is to display a random image.
I have to format the code and insert links to where my images are hosted but I'm not sure what to format
This is the bare code:
...ANSWER
Answered 2018-Jan-27 at 05:27
var imgs = ['http://lorempizza.com/380/240',
'http://dummyimage.com/250/ffffff/000000',
'http://lorempixel.com/g/400/200/',
'http://lorempixel.com/g/400/200/sports/'];
var container = document.getElementById('imageContainer');
var ry = Math.floor(Math.random() * imgs.length)
if (ry == 0)
ry = 1
var img = document.createElement('img');
img.src = imgs[ry]; // img[i] refers to the current URL.
container.appendChild(img);
QUESTION
I have seen a number of questions similar to this, but none that completely answered my question in a manner I understood.
I am building a website in which I would like to have a specified folder from which to retrieve all images (these could change from day to day, so I can't have it based on the file name, but rather the file path to that folder) and display them on the page. As of right now, I've seen a number of examples of doing something like this using PHP, Javascript, Ajax.... Lots.
However, I'm still having trouble implementing these examples or others' ideas into my own code. Below is a couple pieces of code that I've been trying to make work; I pulled these from various examples and ATTEMPTED to customize it for my needs, but have been unable to get a working HTML showing in my browser (Google Chrome).
Here's my PHP script:
...ANSWER
Answered 2017-Aug-15 at 12:09The basic idea is solid, there are just some details in the execution that need to be cleaned up. I took a swing at setting this up locally and cleaning it up a bit.
PHP:
QUESTION
I'm attempting to implement some swiping functionality into my app, but I'm currently struggling to get the correct behaviour I want.
I have a function which is called onTouchStart which saves the current touch objects' clientX and clientY position to the state, like so:
ANSWER
Answered 2017-Jun-14 at 14:48Here is the link to the fixed pen.
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Install JavaScriptKit
Make sure that your target depends on JavaScriptEventLoop in your Packages.swift:
Add an explicit import in the code that executes *before you start using await and/or Task APIs (most likely in main.swift):
Run this function *before you start using await and/or Task APIs (again, most likely in main.swift):
This library only supports swiftwasm/swift toolchain distribution. The toolchain can be installed via swiftenv, in the same way as the official Swift nightly toolchain. You have to install the toolchain manually when working on the source code of JavaScriptKit itself, especially if you change anything in the JavaScript runtime parts. This is because the runtime parts are embedded in carton and currently can't be replaced dynamically with the JavaScript code you've updated locally.
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