新知识点

Posted 2020-09-07 特大土逗

toggleClass

$("button").click(function(){
$("p").toggleClass("main");
});

each中的 false

Use return false to break out of each() loops（循环） early.

$( "div" ).each(function( index, element ) {

// element == this

$( element ).css( "backgroundColor", "yellow" );

if ( $( this ).is( "#stop" ) ) {

$( "span" ).text( "Stopped at div index #" + index );

return false;

}

});