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const formatter = new Intl.NumberFormat('en-US', {
  style: 'currency',
  currency: 'USD',
  minimumFractionDigits: 2
})

formatter.format(1000) // "$1,000.00"
formatter.format(10) // "$10.00"
formatter.format(123233000) // "$123,233,000.00"

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LOADING
//////////////////////////////////////////////////////////////////////////////////
// queue scripts and fire a callback when loading is finished
head.load("file1.js", "file2.js", function() {
    // do something
});

// same as above, but pass files in as an Array
head.load(["file1.js", "file2.js"], function() {
    // do something

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universalLoading("class", "id");

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javascript shorthand list: https://www.sitepoint.com/shorthand-javascript-techniques/

SCE function to get and check element // will avoid "of unexpected.." error:
let a = x0(".MobileSearchWrapperHelper");
a ? a.style.display = "block" : void 0;

$(element).is(':visible')
element.offsetWidth > 0 && element.offsetHeight > 0;

window on load:

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onclick="toggleActive(this, '0', true, false)" on any element

a = this
b = select parent '0' takes this element '-1' selects first parent, '-2' selects second parent, etc.
c = true|false remove/hide this element when clicked outside (great for tooltips, popups, etc)
d = run custom function after opening, example: myfunction() 

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example: https://bootsnipp.com/snippets/ZkMKE


<link rel="stylesheet" href="//cdnjs.cloudflare.com/ajax/libs/font-awesome/4.2.0/css/font-awesome.min.css">
<div class="container">
    <h2>Checkboxes</h2>
    <form role="form">
        <div class="row">
            <div class="col-md-4">
                <fieldset>

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$(window).bind("resize.rainbows", function(e){
  // do something when any span.rainbows element resizes
});

$(window).unbind("resize.rainbows");

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https://github.com/daneden/animate.css



Add the class "animated" to the element you want to animate. You may also want to include the class infinite for an infinite loop.

Finally you need to add one of the following classes:

Class Name			
bounce	flash	pulse	rubberBand

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 UpdateQueryString(key, value, url, redirect)
 
 url is not needed as it will generate automatically unless you want a different one
 
redirect = true or false

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$('#element').hasClasses(['class1', 'class2', 'class3']);