callback « function « Javascript Data Type Q&A

1. Return variable in function from method callback data in same function    stackoverflow.com

How do I return the latlon variable for codeAddress function. return latlon doesn't work, probably because of scope but I am unsure how to make it work.

function codeAddress(addr) { 
 ...

2. Is it possible to wrap an asynchronous event and its callback in a function that returns a boolean?    stackoverflow.com

I'm trying to write a simple test that creates an image element, checks the image attributes, and then returns true/false. The problem is that using the onload event makes the test ...

3. Instance variables in callback function    stackoverflow.com

How to pass container variable to callback function geomapLoaded?

MyMap = Class.create({
    initialize: function(container) {
            this.container = container;
 ...

4. How to create a call back function and store the value of the variable    stackoverflow.com

I am reading a Rss feed using setInterval method and displaying notification to the users ,I want to make sure I store the latest feed title so that the user does ...

5. Add a third variable to a WEbSQL callback function    sitepoint.com

This is the code. I tried exploring the options of SQL for solving this, but they are limited. I want to pass newSync[i].id to the onsuccess callback function, but I fail Code: tx.executeSql('SELECT * FROM bookmarks WHERE bookmarkID = ?', [newSync[i].id], function(tx,results){ console.log('results.rows.item(0).bookmarkID', results.rows.item(0).bookmarkID); tx.executeSql('UPDATE bookmarksSync SET thumbnail=?, ts_created=?, visits=?, visits_morning=?, visits_afternoon=?, visits_evening=?, visits_night=?, position=?, idgroup=? WHERE bookmarkID=?', [results.rows.item(0).thumbnail, results.rows.item(0).ts_created, results.rows.item(0).visits, ...