SET and GET_jquery commonly used in jquery

$("#msg").html(); //Return the html content of the element node with id msg.
$("#msg").html("new content");
//Write "new content" as an html string into the content of the element node with the id of msg, and the page will display bold new content

$(”#msg”).text(); //Return the text content of the element node with id msg.
$("#msg").text("new content");
//Write "new content" as a normal text string into the content of the element node with the id of msg, and the page will display new content

$(”#msg”).height(); //Return the height of the element with id msg
$(”#msg”).height(”300″); //Return the id to msg Set the height of the element to 300
$("#msg").width(); //Return the width of the element with id msg
$("#msg").width("300"); //Set the width of the element with id msg to 300

$("input").val("); //Return the value of the form input box
$("input"). val("test"); //Set the value of the form input box to test

$("#msg").click(); //Trigger the click event of the element with id msg
$(”#msg”).click(fn); //Add a function for the click event of the element with id msg

Similarly, blur, focus, select, and submit events can have these two calls method