A brief introduction to the basics of jQuery plug-in development_jquery

1. Basic format for developing jQuery plug-ins

Copy the code The code is as follows:

(function ($) {
$.extend($.fn, {
})
})(jQuery)

2. Develop global functions The basic format of

Copy code The code is as follows:

(function ($) {
$.extend($, {
})
})(jQuery)

Development example:

Copy code The code is as follows:

(function ($) {
$.extend($, {
subtract: function (a, b) {
return a-b;
}
,
add: function (a, b) {
return a b;
},
multiplication: function (a, b) {
return a*b;
},
　　
　　　 division: function (a, b) {
return a b; )(jQuery)