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Author: admin@master

GA send event, returns undefined

Innit GA Track event But this allways return undefined, And I added the ‘Registration’ event (with that category, label and value) in conversions, at google analytics site, Any idea why this could happen? Of course it isn’t tracked.. Answer You are mixing old-style classic syntax (using the …

How to iterate over a WeakMap?

A JavaScript WeakMap does not allow you to get the key, or the length or size, by design. Is it possible to nevertheless loop over entries in some way ? If not .. how does the Chrome console do this ? Answer Is it possible to nevertheless loop over entries in some way? No, as you say, the contents of

How to pass props to {this.props.children}

I’m trying to find the proper way to define some components which could be used in a generic way: There is a logic going on for rendering between parent and children components of course, you can imagine <select> and <option> as an example of this logic. This is a dummy implementation for th…

How prevent whitespace in input field with plain javascript

I have an username input field and trying to prevent user fill them with white spaces. i do this and whitespace isn’t blocked Answer Use event.preventDefault to prevent its default behavior. If you want to use the return false;, then you should use the onkeypress of the input instead, jsfiddle

Third party survey onto popup div

I am trying to load a third party survey onto a popup and it’s not working. Where am I making a mistake? This should happen on a click a button or href. So I am creating a iframe dynamically. then loading the data to it.. I am interested in any other ideas to achieve this; I cannot make a ajax