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How do you increment a currency fractional part?
For instance, let's say you have 14.0009 and you want to increment it to 14.0010 when press the up arrow key
If you are using a HTML5 Input number field then set the step attribute to step="0.0001".
See more: https://www.w3schools.com/tags/att_input_step.asp
See more: https://developer.mozilla.org/en-US/docs/Web/HTML/Attributes/step
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In Javascript,
can someone explain to me why
[,,] has 2 undefines elements and not three
[1,1,1] - has 3 elements so why [,,] has only two!
Actually it is from the definition in ES6, If you do not write anything after the last comma, then the item doesn't count for length.
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How can I change the value of a constant variable? For example, I have the price on my site:
const PHONE_PRICE = 250;
but now I want to change it in this assignment without making changes elsewhere. Is it possible?
No. The purpose of a constant is precisely that it can't change. If you want it to change, make it a variable:
let PHONE_PRICE = 250;
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How to target an html attribute with JS by his id and make it equal to some number.
document.getElementById('foo').setAttribute('bar', 0);
Where foo is the ID of your element and bar is the name of the attribute you want to change.
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What i want to do is to get a line of character from a website which has a token generator that generates every time it opens a new code and then put into my link.
Not sure if it's what you want :
var link = "mylink.com/"+result ;
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i want to change certain elements regarding their style by detecting the initial scale already used by the owner of the website.
Thanks
I found it my self,
var scale=Number((screen.width/window.innerWidth).toFixed(1));
scale has the required value!