javascript 1 js 1 dom 1 dom-utils 1 dom-helpers 1 dom-methods 1 dom-functions 1 dom-manipulation 1 html-dom 1 browser 1 frontend 1 web 1 ui 1 ui-utils 1 class-utils 1 add-class 1 remove-class 1 toggle-class 1 has-class 1 css-classes 1 element-utils 1 query-selector 1 get-element 1 create-element 1 remove-element 1 append-element 1 attributes 1 set-attribute 1 get-attribute 1 remove-attribute 1 events 1 add-event 1 remove-event 1 event-listener 1 document-title 1 tab-title 1 set-title 1 meta-tags 1 add-meta 1 update-meta 1 head-utils 1 html-utils 1 text-content 1 inner-html 1 dataset 1 utilities 1 utils 1 helpers 1 es-modules 1 esm 1 vanilla-js 1