To protect your Javascript code or at least make it so hard for anyone to steal your work is to obfuscate your coding .. here are some online sites that do just that ..
And these sites can minify your code
And finally, some tools to Lint your code
Normal, Asynchronous vs Deferred JavaScript Execution
Normal Javascript execution:
HTML parsing paused till script is fetched and executed then resume .
Asynchronous
HTML parsing continue while script is being fetched but pauses when script is executed.
Defered
Script fetching continues while HTML is parsing but only execute when HTML parsing is completed.
For more details, check this page: https://bitsofco.de/async-vs-defer/
How to Enable / Disable input using jQuery
Very simple
$(“input”).prop(‘disabled’, true);
$(“input”).prop(‘disabled’, false);
Web Developer Roadmap Illustrated
Illustrators showing Web Developer Roadmap, found on codeburst.io
How to center google map to current location using javascript
To center google map to current user location using js api, you first have to make your website a HTTPS site
if (navigator.geolocation) {
navigator.geolocation.getCurrentPosition(function (position) {
var pos = {
lat: position.coords.latitude,
lng: position.coords.longitude
};
map.setCenter(pos);
}, function () {
console.log('error gis');
});
}
more details here