javascript - 如何创建jQuery函数（新的jQuery方法或插件）？(How to create a jQuery function (a new jQuery method or plugin)?)

Question

I know that in JavaScript the syntax is as follows:

(我知道JavaScript中的语法如下：)

function myfunction(param){
  //some code
}

Is there a way to declare a function in jQuery that can be added to an element?

(有没有一种方法可以在jQuery中声明可以添加到元素的函数？)

For example:

(例如：)

$('#my_div').myfunction()

  ask by multimediaxp translate from so

Answer 1

From the Docs :

(从文档中 ：)

(function( $ ){
   $.fn.myfunction = function() {
      alert('hello world');
      return this;
   }; 
})( jQuery );

Then you do

(那你做)

$('#my_div').myfunction();