| layout | chapter | pageNumber | description |
|---|---|---|---|
editorial | 7 | 62 | Loops are control structures that allow you to execute a block of code repeatedly until a specified condition is met. They are essential for automating repetitive tasks and iterating over data structures like arrays and strings. |
Loops are repetitive instructions where one variable in the loop changes. Loops are handy, if you want to run the same code over and over again, each time with a different value.
Instead of writing:
doThing(cars[0]); doThing(cars[1]); doThing(cars[2]); doThing(cars[3]); doThing(cars[4]);You can write:
for (var i = 0; i < cars.length; i++) { doThing(cars[i]); }In this chapter, we are going to discuss the following topics: