| // we have an array of objects, we want to remove one object using only the id property | |
| const apps = [{id:34,name:'My App',another:'thing'},{id:37,name:'My New App',another:'things'}]; | |
| // get index of object with id of 37 | |
| const removeIndex = apps.findIndex( item => item.id === 37 ); | |
| // remove object | |
| apps.splice( removeIndex, 1 ); | |
When hosting our web applications, we often have one public IP
address (i.e., an IP address visible to the outside world)
using which we want to host multiple web apps. For example, one
may wants to host three different web apps respectively for
example1.com, example2.com, and example1.com/images on
the same machine using a single IP address.
How can we do that? Well, the good news is Internet browsers
| /* | |
| Credit: Tomalak on Stack Overflow | |
| http://stackoverflow.com/a/11153997 | |
| Why? | |
| Easier to pull data when the mapping is unknown or arbitrary. | |
| Example: | |
| the function nestedMapping() turns your data structure: |