How to create a getter and setter for jquery object?-CodePudding

I want to add a getter and a setter for the $ object, similar to the val() function for a DOM object.

If the val is called without parameters, the getter is invoked. With one parameter, the setter is invoked.

I have tried with

$.fn.simpleSearch = function() {
    return _variable;
}

$.fn.simpleSearch = function (search) {
    _variable = search;
}

But it does not work.

Any hint?

CodePudding user response：

You cannot define $.fn.simpleSearch twice. The 2nd definition will override the first.

You can set up a simple getter and setter like this:

$.fn.simpleSearch = function (search) {
    if ( typeof search != 'undefined' ) {
        _variable = search;
    }
    return _variable;
}

console.log( $(jQuery).simpleSearch() )
console.log( $(jQuery).simpleSearch('foo') )

However, this code is not complete because _variable needs to be defined somewhere. Do you intend it to be a global variable? A property of an object?

Also see How to create custom JQuery function and how to use it?