/pforex

easy foreign currencies

Primary LanguageJavaScript

USAGE

LOAD

Shopify:

{{ "pforex.js" | asset_url | script_tag }}

everywhere else

<script src="/path/to/pforex.js"></script>

SET CURRENCY

w/ HTML:

<select pforex-selector >
    <option val="USD">USD</option> 
    <option val="EUR">EUR</option> 
    <option val="GBP">GBP</option> 
    <option val="JPY">JPY</option> 
</select>
USD EUR GBP JPY

w/ Javascript:

Pforex.set("USD")
Pforex.get()

MARK DOM ELEMENTS TO BE WATCHED

DEFAULTS

use integers for prices

<pforex price="100" />

$1

decimals will show up if appropriate

<pforex price="399" />

$3.99

and commas

<pforex price="500000" />

$5,000

showing currency defaults to "false":

<pforex price="500000" show-currency="true" />

$5,000 USD

showing the currency symbol defaults to "true":

<pforex price="500000" show-symbol="false" />

5,000

Omit the price for labels:

<pforex show-symbol="false" show-currency="true" />

USD

regex support for hairy situations

<pforex price="10000" re="(.+?) GIFTCARD">N GIFTCARD</pforex>

$100 GIFTCARD

LEGACY CODE

inject into pre-existing HTML with data-pforex-*:

<span data-pforex-price="100" data-pforex-showcurrency="true" class="money">
</span> 



<span 
    data-pforex-price="100" 
    data-pforex-re="\((.+?)\)" 
    class="money"
>
SPECIAL THING ($1)
</span>

DYNAMIC

to change the price of an element, just change price

<pforex id="dynamic-display" price="100" />

<button id="clicker" >CLICK ME</button>

<script>
    var button = document.querySelector('#clicker');
    var display = document.querySelector('#dynamic-display');

    button.addEventListener( 'click', function () {
        display.setAttribute('price', 
            (parseInt(display.getAttribute('price'))+1313) 
        );
    });
</script>