Selects all elements with class="intro"
.class1.class2
Selects all elements with both name1 and name2 set within its class attribute
.class1 .class2
Selects all elements with name2 that is a descendant of an element with name1
Selects the element with id="firstname"
Selects all <p> elements with class="intro"
Selects all <div> elements and all <p> elements
Selects all <p> elements inside <div> elements
Selects all <p> elements where the parent is a <div> element
Selects the first <p> element that is placed immediately after <div> elements
Selects every <ul> element that is preceded by a <p> element
Selects all elements with a target attribute
Selects all elements with target="_blank"
Selects all elements with a title attribute containing the word "flower"
Selects all elements with a lang attribute value starting with "en"
Selects every <a> element whose href attribute value begins with "https"
Selects every <a> element whose href attribute value ends with ".pdf"
Selects every <a> element whose href attribute value contains the substring "w3schools"
Insert something after the content of each <p> element
Insert something before the content of each <p> element
Selects every checked <input> element
Selects the default <input> element
Selects every disabled <input> element