Call javascript custom function from ext js

Question

I have a custom function written in javascript, like:

function myFunction(a, b) {
    return a * b;
}

I want above myFunction() called from ExtJS, can somebody help me?

Are you trying to call myFunction() inside Ext.js? What is the load order of your scripts? — Mike Hanslo
– Mike Hanslo, Commented Dec 22, 2015 at 11:57
if you need to invoke a pure javascript function inside an ExtJS event handler (that is javascript) i don't know where is the matter. fiddle.sencha.com/#fiddle/12ub — Marco
– Marco, Commented Dec 22, 2015 at 13:33

Sergey Novikov · Accepted Answer · 2015-12-28 11:36:41Z

1

If you want to add some JS functions to your application to use it on demand I think best approach is to add it to a singleton class (component), example:

/**
 * Define some useful javascript functions, common for whole project
 */
Ext.define('MyApplication.lib.MyFunctions', {
    alternateClassName: 'Ext.lib.MyFinctions',

    singleton: true,

    myFunction: function (a, b) {
        return a * b;
    }
});

After it you can use it as follows:

Ext.lib.MyFunctions.myFunction(2, 3);

answered Dec 28, 2015 at 11:36

Sergey Novikov

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