JSON (JavaScript Object Notation) is a lightweight format that is used for data interchanging. It is based on a subset of JavaScript language (the way objects are built in JavaScript).

The dot notation is mostly used as it is easier to read and comprehend. So why should we use bracket notation and what is the difference between then? well, the bracket notation [] allows …

The JSON language, which stands for 'Javascript object notation', has its syntax derived from javascript object literal syntax. It is used as a programming language independent textual data …

However, because we've stringified the object into JSON notation; i.e., a standardised way to represent data, we can transmit the JSON representation of the object to another language …

If you want to convert a string dot notation into an object, I've made a handy little helper than can turn a string like a.b.c.d with a value of e with dotPathToObject("a.b.c.d", "value") returning this:

Nov 8, 2011 · Access object child properties using a dot notation string [duplicate] Asked 14 years, 1 month ago Modified 3 years, 8 months ago Viewed 88k times

But literal notation takes less space in the source code. It's clearly recognizable as to what is happening, so using new Object(), you are really just typing more and (in theory, if not …

See also property access: dot notation vs. brackets? and How do I add a property to an object using a variable as the name?

What do square brackets (` [ (…) ]`) do inside an object literal in the position of an object key? Asked 10 years, 3 months ago Modified 1 year, 2 months ago Viewed 68k times

48 JSON (JavaScript Object Notation) is a lightweight data-interchange format. It is easy for humans to read and write. It is easy for machines to parse and generate. It is based on a …