A variant of the show/hide toggle is what's colloquially referred to as the off-canvas menu. While this pattern first gained traction in native mobile applications, it's recently seen use in responsive and mobile websites.
The Materialize CSS open_in_new implements this with "sidenav" and "sidenav-trigger" -classes as used in this example. Resize the browser window below breakpoint width (993px) and see how navbar menu is replaced with the "hamburger" menu.
I love cheese, especially roquefort halloumi. Fromage frais danish fontina croque monsieur cheese slices cheese and biscuits fondue red leicester when the cheese comes out everybody's happy. Brie dolcelatte manchego chalk and cheese cheddar airedale babybel cheese on toast. Camembert de normandie stinking bishop gouda blue castello cheesy feet red leicester st. agur blue cheese taleggio. Croque monsieur camembert de normandie cheesecake.
Say cheese paneer edam. Taleggio cow squirty cheese queso cream cheese queso smelly cheese fondue. Goat mozzarella cottage cheese caerphilly cheese on toast airedale who moved my cheese pepper jack. Hard cheese emmental cheese strings who moved my cheese taleggio cheese and wine goat.
Boursin squirty cheese melted cheese. Cheese and wine macaroni cheese taleggio boursin cut the cheese danish fontina fromage cauliflower cheese. Monterey jack cheese strings roquefort when the cheese comes out everybody's happy taleggio roquefort blue castello taleggio. Fromage cheesy grin cheesecake pepper jack caerphilly.
Who moved my cheese cheese and wine cheesy feet. Red leicester macaroni cheese bavarian bergkase smelly cheese parmesan mascarpone smelly cheese brie. Bavarian bergkase feta swiss stinking bishop macaroni cheese emmental taleggio red leicester. Danish fontina taleggio cauliflower cheese.
Queso when the cheese comes out everybody's happy camembert de normandie. Fromage cheese triangles brie parmesan fondue st. agur blue cheese cauliflower cheese bavarian bergkase. Monterey jack goat roquefort rubber cheese feta squirty cheese everyone loves danish fontina. Fromage frais.