export function notFoundElementByTagName ( parentElement , tagName ) { return parentElement . querySelector ( tagName ) == undefined ; } export function getElement ( parentElement , tagName ) { return parentElement . querySelector ( tagName ) ; } export function getElements ( parentElement , tagName ) { return parentElement . querySelectorAll ( tagName ) ; } export function elementAttributeCheck ( element , keyName , value ) { return element [ keyName ] == value ; } export function getElementValue ( parentElement , tagName ) { return parentElement . querySelector ( tagName ) . value ; } export function getElementsByClassName ( parentElement , className ) { return parentElement . getElementsByClassName ( className ) ; }