Check.versionOf()

Check the version of a dependency.

Syntax

var version = Check.versionOf(file);

Parameters

Parameter	Type	Mandatory	Notes	Util.js version
file	String		Name of the file you want to get the version of.	1.0

Return Values

Value	Type	Notes	Util.js version
Check.NOT_LOADED	Constant	The file is not yet loaded.	1.0
<number>	Number	The version of the file that's been loaded.	1.0
<error>	Error	An error occurred, most likely invalid parameters.	1.0

Example

Run code based on file version...

var version = Check.versionOf("foo.js");
 
if (version === Check.NOT_LOADED) { // foo.js isn't loaded yet
 ...
} else if (version >= 2.1) { // v2.1 or higher
 ...
} else { // version less than 2.1
 ...
}
 
// Note:
// if (version === Check.NOT_LOADED) { // foo.js isn't loaded yet
// is equivalent to:
// if (!version) { // foo.js isn't loaded yet