Vanilla JavaScript in Svelte - Stack Overflow

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I've been following a guide to collapse a sidebar. I realised that I cannot use the $ because it's reserved in Svelte. Can someone guide me on how to make this work? Thanks :)

$(document).ready(function () {
    $('#sidebarCollapse').on('click', function () {
        $('#sidebar').toggleClass('active');
    });
});

I've been following a guide to collapse a sidebar. I realised that I cannot use the $ because it's reserved in Svelte. Can someone guide me on how to make this work? Thanks :)

$(document).ready(function () {
    $('#sidebarCollapse').on('click', function () {
        $('#sidebar').toggleClass('active');
    });
});

• javascript
• svelte

Share Follow edited Feb 20, 2020 at 14:56 V. Sambor 13.4k66 gold badges5050 silver badges6767 bronze badges asked Feb 19, 2020 at 18:42 user12894165user12894165 5

• The $ es from jQuery, not vanilla js. – Andre Nuechter Commented Feb 19, 2020 at 18:44
• I think he's asking how to convert it to vanilla JS, but I might be wrong. @James, can you clarify? – John Montgomery Commented Feb 19, 2020 at 18:44
• 2 you can use jQuery.noConflict() – Daniel A. White Commented Feb 19, 2020 at 18:45
• I'm sorry yeah. How would I go about adding the '. Active' class without jquery or can I use the '$' in Svelte somehow? – user12894165 Commented Feb 19, 2020 at 18:49
• api.jquery./jQuery.noConflict/#jQuery-noConflict-removeAll – Teemu Commented Feb 19, 2020 at 18:50

Add a ment  | 

2 Answers 2

Sorted by: Reset to default 6

You should really read through/follow along with the Svelte tutorial, it might help you better understand how to overe small challenges like this.

Toggling a class is as easy as toggling a variable and using Svelte's shorthand class directive

<script>
    let active = false;
</script>

<button on:click={()=> active = !active}>
    Some menu text or an icon here
</button>

<aside class:active>
    I'm a sidebar
</aside>

Then you just make the styles equal to whatever tutorial you're following along with since the active class would be conditionally applied at that point.

Here's a simple REPL example.

The equivalent vanilla js code would be:

const sidebarCollapse = document.getElementById('sidebarCollapse');
const sidebar = document.getElementById('sidebar');

sidebarCollapse.onclick = () => sidebar.classList.toggle('active');

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