this module contains all the helper methods for dom manipulation or access
            
            
                
Members
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static, constant addScript
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    load a script from the given url
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static, constant dispatchCustomEvent
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    dispatch a custom event on document object
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static, constant newElement
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    creates a new dom element
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static, constant on
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    add an even listener to an element given by the selector
Example
// specify the css selector followed by the event name with semilcolon in between const removePlayClick = on('#play:click', () => player.play()); // to add listener on gloal document on(':keydown', (e) => {{); - 
static, constant select
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    a jquery like css dom selector which returns dom node