Parse JSON in JavaScript? [duplicate]

The standard way to parse JSON in JavaScript is JSON.parse() The JSON API was introduced with ES5 (2011) and has since been implemented in >99% of browsers by market share, and Node.js. Its usage is simple: Expand snippet The only time you won’t be able to use JSON.parse() is if you are programming for an … Read more

JavaScript sleep/wait before continuing [duplicate]

JS does not have a sleep function, it has setTimeout() or setInterval() functions. If you can move the code that you need to run after the pause into the setTimeout() callback, you can do something like this: see example here : http://jsfiddle.net/9LZQp/ This won’t halt the execution of your script, but due to the fact that setTimeout() is an asynchronous function, this code will … Read more

What does href expression do?

An <a> element is invalid HTML unless it has either an href or name attribute. If you want it to render correctly as a link (ie underlined, hand pointer, etc), then it will only do so if it has a href attribute. Code like this is therefore sometimes used as a way of making a link, but without having to provide an actual … Read more