Log javascript exceptions with Google Analytics
Source: Exception Tracking | Analytics for Web (analytics.js) | Google Developers
Category: JavaScript
TypeScript: The Best Way to Write JavaScript
In this continuation of his series, Sahil focuses on TypeScript and why it’s mandatory if you want to write good, reliable code in JavaScript.
Using jQuery to prevent Internet Explorer from accidentally submitting form on enter key
$(function () {
//page is ready
//Prevents users from accidentally submitting form with enter key (e.g. IE problem)
//http://stackoverflow.com/questions/895171/prevent-users-from-submitting-form-by-hitting-enter
$(document).on("keyup keypress", "form input[type='text']", function (e) {
if (e.keyCode === 13 /*enterkey*/ || event.keyCode === 169 /*enter on numpad*/) {
e.preventDefault();
return false;
}
});
});
Works in ajax templated context as well.
Google Chrome – Command Line API Reference
Javascript Parser extension – function list and lint
Ever wanted a simple overview of your javascript functions in Visual Studio 2013? This extension fixes that.
Especially useful if you use namespacing a lot and wants a simple navigation inside the js file.
Its also a “linter” which tells you about faulty js code.
You can tweak the settings in Visual Studio options:
Angular Basics by ScriptyBooks – Introduction
String.format for javascript (C# .NET like syntax for concatenating strings)
Here is a little hack to make javascript behave more like .NET with string.format…
usage:
var selector = String.format("#container{0} div.lineItem{1}[data-entryid='{2}']", containerId, itemId, entryId);
js code:
//String.format for js.
if (!String.format) {
String.format = function (format) {
var args = Array.prototype.slice.call(arguments, 1);
return format.replace(/{(\d+)}/g, function (match, number) {
return typeof args[number] != 'undefined'
? args[number]
: match
;
});
};
}
javascript – How do I accomplish an if/else in mustache.js? – Stack Overflow
This is how you do if/else in Mustache (perfectly supported):
{{#repo}}
I have repos!
{{/repo}}
{{^repo}}
No repos :(
{{/repo}}
via javascript – How do I accomplish an if/else in mustache.js? – Stack Overflow.
Create Bookmarklets – The Right Way – Tuts+ Code Tutorial
“Bookmarkets can be defined as mini applications masquerading as tiny snippets of JavaScript awesomeness that reside in your browser and provide additional functionalities to a web page.
Today, we’re going to look into creating bookmarklets from scratch and on the way, some best practices to follow.”
via Create Bookmarklets – The Right Way – Tuts+ Code Tutorial.