add js

violinminds · Jan 2, 2024 · 8ef1a54 · 8ef1a54
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diff --git a/dev/README.md b/dev/README.md
@@ -10,6 +10,7 @@ Concepts that a programmer should have knowledge of.
 ## Web development
 
 - [php knowledge](php)
+- [JavaScript knowledge](js/README.md)
 
 ## Shell / Scripting / Desktop development
 

diff --git a/dev/js/README.md b/dev/js/README.md
@@ -0,0 +1,14 @@
+# JavaScript knowledge
+
+Useful notions for JS developers.
+
+## Snippets
+
+### Select all text of an element
+
+Cross platform solution.
+
+```JavaScript
+element.select?.() || // all browsers except safari mobile
+      element.setSelectionRange(0, element.value.length) // safari mobile
+```