From 78211f96953bc1a63570f2430cee4ad92c841ce4 Mon Sep 17 00:00:00 2001
From: Jasper Ras <jras@hostnet.nl>
Date: Tue, 6 May 2025 23:09:23 +0200
Subject: vault backup: 2025-05-06 23:09:23

---
 Script elements.md | 15 +++++++++++++++
 1 file changed, 15 insertions(+)
 create mode 100644 Script elements.md

(limited to 'Script elements.md')

diff --git a/Script elements.md b/Script elements.md
new file mode 100644
index 0000000..e220be5
--- /dev/null
+++ b/Script elements.md	
@@ -0,0 +1,15 @@
+---
+tags:
+  - html
+  - web
+---
+Default type: javascript. Can specify `type` with a mimetype of alternate script language. `type="module"` for javascript modules.
+
+Place scripts at the end rather than at the start, unless [DOMContentLoadedEvent](https://developer.mozilla.org/docs/Web/API/Document/DOMContentLoaded_event) is used. 
+- Javascript can't reference elements that don't yet exist
+- Browser blocks rendering, and halts downloads etc until js finishes execution
+
+`<script defer>` dont block while downloading, execute js after rendering
+`<script async>` dont block while downloading, execute js when download finished, pausing renderer until js completes
+
+
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