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

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

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