Can someone help me translate this from jquery to javascript?

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Hello!
can someone help me translate this from Jquery to Javascript? i suppose the code itself is the same but the selectors are different right?

$(document).ready(function () {
var interest = 4.5;
var price = parseInt($('.car-price').data('carprice'));
var defaultPricePerMonth = price / 36 * interest;
$('span.result').text(defaultPricePerMonth + ' kr');
$('#months').on('change', function () {
var selectedPeriod = parseInt($(this).find('option:selected').val());
var calculatedPrice = price / selectedPeriod * interest;
$('span.result').text(calculatedPrice + ' kr');
});
console.log()
});

What I have tried:

Ihave tried to find some sites to help me but i dont really know how to do the changes

Posted 24-Oct-19 8:55am

Stefaneus

Updated 24-Oct-19 9:45am

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ZurdoDev 24-Oct-19 14:56pm

jQuery is written in Javascript so is there any reason you want to do this?

ZurdoDev 24-Oct-19 15:04pm

jQuery is written in Javascript so is there a reason you want to do this?

2 solutions

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RickZeeland · Answer 1 · 2019-10-24T09:41:00

Solution 1

Maybe this will be helpful: You Might Not Need jQuery[^]
And also: Is there an easy way to convert jquery code to javascript? - Stack Overflow[^]

Posted 24-Oct-19 9:41am

RickZeeland

Marc Clifton · Answer 2 · 2019-10-24T09:45:00

$(document)

Basically, when the page has rendered...

$('.car-price')

Get the element with the class tag "car-price"...

.data('carprice')

Extract the arbitrary key-value pair given the key "carprice". Read me here[^].

parseInt(

convert it to an integer.

$('span.result')

Find the span elements with the class "result" (I think!)

$('#months')

Find the element with the id of "months"

$(this).find('option:selected').val()

This is getting the value of radio button that is selected. jQuery selectors[^].

Everything else is just repeat of these patterns.