Node.js, MongoDB, and AngularJS Web Development

Using Expressions

Using expressions is the simplest way to represent data from the scope in an AngularJS view. Expressions are encapsulated blocks of code inside brackets: {{expression}}. The AngularJS compiler compiles an expression into HTML elements so that the results of the expression are displayed. For example, look at the following expressions:

{{1+5}}{{'One' + 'Two'}}

Based on those expressions, the webpage displays these values:

6OneTwo

Expressions are bound to the data model, which provides two huge benefits. First, you can use the property names and functions that are defined in the scope inside your expressions. Second, because the expressions are bound to the scope, when data in the scope changes, so do the expressions. For example, ...