DOM
	
	
	screen
	navigator
	window
	
	
		event
		location
		history
		localStorage
		document
	
	
	-----------------------------------
	
	screen
	
		screen.height
		screen.width
		
		
	navigator
	
		navigator.appName
		navigator.userAgent
		
	
	window
	
		myVar
		myFunction()
		doSomething()
		myObject
		
		alert()
		prompt()
		setInterval()
		setTimeout()
		parseInt()
		parseFloat()
		isNaN()
		
	
		location
		
			location.href
			location.search
			
		history
		
			history.back()
			history.forward()
			history.go( value )
			
		loalStorage
		
			localStorage.getItem()
			localStorage.setItem()
			
			
		document
		
			document.write()
			document.getElementById()
			document.getElementsByTagName()[]	// kann auch auf jedem HTML-Knote(ELement) angewendet werden
			document.getElementsByName()[]
			document.getElementsByClassName()[]
			
			document.createElement()
			document.createTextNode()
			
			document.querySelector()
			document.querySelectorAll()
			
			
		document.images[]		// Array mit allen  Tags

		document.anchors[]		// "  + name oder ( name oder id )
		document.links[]		// "  + href
		
		document.formularName
		document.forms[]
		
			document.forms[].elements[]
			
				document.forms[].elements[].options[]