SOURCE

console 命令行工具 X clear

                    
>
console
$(document).ready(function(){
$("button").click(function(){
$("p").hide();
});
});
<h2>This is a heading</h2> 
 <p>This is a paragraph.</p> 
 <p>This is another paragraph.</p> 
 <button type="button">Click me</button>