load_script

AbstractItem.load_script(js_filename, callback, onload)

Domain:

client

Language:

javascript

Class:

AbstractItem()

Execution: asynchronous

Description

Use load_script method to load javascript file from the server, before executing callback.

The method checks whether the file has been loaded, if not, loads it from the server, executes (if specified) onload function and then executes the callback, otherwise just the callback function is executed.

The item is passed to the callback function as a parameter.

Attention

The js_filename should specify the path to javascript file relative to the server directory.

The request to the server is executed asynchronously.

Paramaters

Parameter	Type	Description
js_filename	string	Filename script to load. The js_filename should specify the path to javascript file relative to the server directory
callback	function	callback function.
onload	function	Function executed (if specified) before the callback.

Example

Bellow, the do_some_work function is executed only when lib.js file from server js directory has been loaded:

function some_work(item) {
    item.load_script('js/lib.js', do_some_work);
}

function do_some_work(item) {
    // some code
}

See also

Related functions

• load_module

• load_modules

Related concepts

• Working with modules