diff --git a/Roadmap/00 - SINTAXIS, VARIABLES, TIPOS DE DATOS Y HOLA MUNDO/javascript/LJBARAJAS.js b/Roadmap/00 - SINTAXIS, VARIABLES, TIPOS DE DATOS Y HOLA MUNDO/javascript/LJBARAJAS.js
new file mode 100644
index 0000000000..e034af81ec
--- /dev/null
+++ b/Roadmap/00 - SINTAXIS, VARIABLES, TIPOS DE DATOS Y HOLA MUNDO/javascript/LJBARAJAS.js	
@@ -0,0 +1,28 @@
+// https://www.javascript.com/
+
+
+// Comentario de uan linea.
+
+/*
+Comentario 
+de varias
+lineas
+*/
+
+// Variable y constante
+
+const salario = 1000;
+
+let miVariable = 10;
+
+let MiTexto = "Hola Mundo";
+
+let Numero = 20;
+
+let boolean = true; // o false
+
+let miNull = null;
+
+let miBigInt = 1234542n;
+
+console.log("¡Hola, Javascript!");
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