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Add a tip about strict null coalescence (???) in Antlers #1892

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Add a tip about strict null coalescence (???) in Antlers #1892

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8 changes: 8 additions & 0 deletions content/collections/pages/antlers.md
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Expand Up @@ -652,6 +652,14 @@ The null coalescing operator (`$a ?? $b`) considers each variable in a statement
{{ meta_title ?? title ?? "Someone Forgot the Title" }}
```

:::tip
Use `???` to fall through only on `null`. Keeps `0`, `false`, `''` intact.

```antlers
{{ power_level ??? "It's over 9000!" }}
```
:::

### The Gatekeeper (Truthy assignment) {#gatekeeper}

The Gatekeeper operator (`a ?= b`) will execute an expression **if and only if** it passes a "truthy" check. It doesn't exist in any programming language — we invented this one. Enjoy!
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