document.getElementsByClassName("a");
document.getElementsByClassName('b');
document.getElementsByClassName(`c`);
document.getElementsByClassName( "d" );
document.getElementsByClassName( 'e' );
document.getElementsByClassName( `f` );
document.getElementsByClassName("g a");
document.getElementsByClassName('h a');
document.getElementsByClassName(`i a`);
document.getElementsByClassName(
	"j"
);
document
	.getElementsByClassName(
		"k"
	);

document.getElementsByClassName(foo);
document.getElementsByClassName( bar );
document.getElementsByClassName( foo.bar );

document.getElementsByClassName('l');
document.getElementsByClassName('m');
document.getElementsByClassName('a');
document.getElementsByClassName('a');
document.getElementsByClassName('a');
document.getElementsByClassName('a');
document.getElementsByClassName('a');
document.getElementsByClassName('a');
document.getElementsByClassName('a');
document.getElementsByClassName('a');

document.getElementsByClassName('n');
document.getElementsByClassName('n');
document.getElementsByClassName('n');
document.getElementsByClassName('o');
document.getElementsByClassName('p');
document.getElementsByClassName('p');
document.getElementsByClassName('p');