A variety of methods and different introduction to the initialization of jquery and JS _jquery

jquery and JS initialize the difference in loading pages:
jquery: Waiting for the page to finish loading data, and part of the page elements (excluding pictures, videos),

JS: Is the page full load complete before performing initialization loading.

1, jQuery page load initialization method There are 3 kinds, the page will be loaded when the script executes,

The first (more commonly used):

Copy Code code as follows:

$.function () {
Alert ("First method");
});

The second type:

Copy Code code as follows:

$ (document). Ready (function () {
Alert ("second method");
});

The third type:

Copy Code code as follows:

JQuery (function ($) {
Alert ("Third method");
});

2, JS initialization of the loading method
First type:

Copy Code code as follows:

Window.onload=function () {
Alert ("Initialize load");
};

The second type:
(Winonload this method name customization)

Copy Code code as follows:

function Winonload () {
Alert ("Initialize load");
};
Winonload ();

Note: Because jquery uses the $ symbol, and some components such as dwr have conflicts, in order to solve this problem, you can use the

Copy Code code as follows:

var ace=jquery.noconflict ();