The `Math.ceil()`

method in JavaScript rounds a number up to the nearest integer. For example:

```
let number = 3.14;
let rounded = Math.ceil(number);
console.log(rounded);
```

This will output `4`

, because `3.14`

rounded up to the nearest integer is `4`

.

Here’s another example:

```
let number = -3.14;
let rounded = Math.ceil(number);
console.log(rounded);
```

This will output `-3`

, because `-3.14`

rounded up to the nearest integer is `-3`

.

Note that the `Math.ceil()`

method always rounds a number up, even if it is already an integer. For example:

```
let number = 4;
let rounded = Math.ceil(number);
console.log(rounded);
```

This will still output `4`

, because `4`

rounded up to the nearest integer is `4`

.

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