Introduction to SET and GET$('#msg').html loops commonly used in jquery_jquery

Copy code The code is as follows:

$("#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

$.each( [0,1,2], function(i, n){ alert( "Item #" i ":" n );});
[code]
is equivalent to:
[code]
vartempArr=[0,1,2] ;
for(vari=0;ialert("Item#" i ":" tempArr[i]);
}