Clientside callback example with .js function throws “cannot read property ‘apply’ of undefined” error

[chriddyp]

@florescorreia

if(!window.dash_clientside) {window.dash_clientside = {};}
window.dash_clientside.clientside = {
    display: function (value) {
        return 'Client says "' + value + '"';
    }
}
}

To be more specific, this particular code block doesn’t work because there is a syntax error - an extra } at the end. This is reported in the browser’s dev tools console:

You can remove this sytnax error and it will work.