Tag Archives: messaging

Channel Messaging API Notification Tutorial

In order to introduce another new Javascript API called “Channel Messaging API” … The Channel Messaging API allows two separate scripts running in different browsing contexts attached to the same document (e.g., two IFrames, or the main document and an … Continue reading

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Javascript Window Cross Domain Messaging Tutorial

A couple of days back with Javascript DOM Images Collection Primer Tutorial we sort of went back to the basics of Javascript DOM, right back to our two favourite web application webpage objects … We think the Javascript DOM (or … Continue reading

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WhatsApp Open Ended Error Message Tutorial

Installing the WhatsApp Messaging app for my students with Android mobile smart phones always brings up something of interest. Today’s “outing” that way got me thinking about “Open Ended Error Messages”, the WhatsApp one being … WhatsApp is temporarily unavailable. … Continue reading

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Contacts Primer Tutorial

The contacts app on any computer device is a great repository of information. As a huge fan of email we find contacts invaluable to link email addresses to mobile phone numbers in order to send messages, via that device’s messaging … Continue reading

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WhatsApp Messaging Android Image Chat Tutorial

A week on, using WhatsApp on an Android smartphone, my student, having had it installed, as you can see with WhatsApp Messaging Install Primer Tutorial, the few issues she had questions about this week were … How do you send … Continue reading

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WhatsApp Messaging Install Primer Tutorial

Today we installed WhatsApp (Messenger), from Facebook, onto an Android mobile smartphone for one of our students. Am not a user of WhatsApp myself, but installing it straightened out a few things about it in my mind, “me” not being … Continue reading

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Legend for and from HTML Map Element Web Server Tutorial

Yesterday, when we presented Legend for and from HTML Map Element Geolocation Tutorial as shown below, we used cross-domain window.postMessage messaging to allow the interchange of geolocation, regarding the “where” of life, and today we look at some “what” possibilities … Continue reading

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Legend for and from HTML Map Element Geolocation Tutorial

We thought we might have finished with the thread of blog postings last ending with Legend for and from HTML Map Element CSS Tutorial as shown below, but we hadn’t banked on the significance of the ideas of window.postMessage, and … Continue reading

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