update Concatenation and Template Literal.js and add more about template literal features

Author: Adam-7th-2

.history/.gitignore_20250701032400

@@ -0,0 +1,24 @@
+// String Concatenation example
+let name = "Henok"; // Declare variable for name
+let age = 22; // Declare variable for age
+
+// Create message by joining strings using + operator
+let messageConcat = "My name is " + name + " and I am " + age + " years old.";
+console.log(messageConcat); // Output: My name is Henok and I am 22 years old.
+
+// Template Literal example
+// Use backticks and ${} to embed variables directly
+let messageTemplate = `My name is ${name} and I am ${age} years old.`;
+console.log(messageTemplate); // Output: My name is Henok and I am 22 years old.
+
+// Multiline Template Literal example
+// Allows easy multiline strings without + or \n
+let multilineMessage = `My name is ${name}.
+I am ${age} years old.
+I love coding and learning new things.`;
+console.log(multilineMessage);
+/* Output:
+My name is Henok.
+I am 22 years old.
+I love coding and learning new things.
+*/

.history/.gitignore_20250701032515

@@ -0,0 +1,24 @@
+// String Concatenation example
+let myname = "Henok"; // Declare variable for name
+let age = 22; // Declare variable for age
+
+// Create message by joining strings using + operator
+let messageConcat = "My name is " + name + " and I am " + age + " years old.";
+console.log(messageConcat); // Output: My name is Henok and I am 22 years old.
+
+// Template Literal example
+// Use backticks and ${} to embed variables directly
+let messageTemplate = `My name is ${name} and I am ${age} years old.`;
+console.log(messageTemplate); // Output: My name is Henok and I am 22 years old.
+
+// Multiline Template Literal example
+// Allows easy multiline strings without + or \n
+let multilineMessage = `My name is ${name}.
+I am ${age} years old.
+I love coding and learning new things.`;
+console.log(multilineMessage);
+/* Output:
+My name is Henok.
+I am 22 years old.
+I love coding and learning new things.
+*/

.history/.gitignore_20250701032516

@@ -0,0 +1,24 @@
+// String Concatenation example
+let myname = "Henok"; // Declare variable for name
+let age = 22; // Declare variable for age
+
+// Create message by joining strings using + operator
+let messageConcat = "My name is " + myname + " and I am " + age + " years old.";
+console.log(messageConcat); // Output: My name is Henok and I am 22 years old.
+
+// Template Literal example
+// Use backticks and ${} to embed variables directly
+let messageTemplate = `My name is ${name} and I am ${age} years old.`;
+console.log(messageTemplate); // Output: My name is Henok and I am 22 years old.
+
+// Multiline Template Literal example
+// Allows easy multiline strings without + or \n
+let multilineMessage = `My name is ${name}.
+I am ${age} years old.
+I love coding and learning new things.`;
+console.log(multilineMessage);
+/* Output:
+My name is Henok.
+I am 22 years old.
+I love coding and learning new things.
+*/

.history/.gitignore_20250701032549

@@ -0,0 +1,24 @@
+// String Concatenation example
+let myname = "Henok"; // Declare variable for name
+let age = 22; // Declare variable for age
+
+// Create message by joining strings using + operator
+let messageConcat = "My name is " + myname + " and I am " + age + " years old.";
+console.log(messageConcat); // Output: My name is Henok and I am 22 years old.
+
+// Template Literal example
+// Use backticks and ${} to embed variables directly
+let messageTemplate = `My name is ${myname} and I am ${age} years old.`;
+console.log(messageTemplate); // Output: My name is Henok and I am 22 years old.
+
+// Multiline Template Literal example
+// Allows easy multiline strings without + or \n
+let multilineMessage = `My name is ${name}.
+I am ${age} years old.
+I love coding and learning new things.`;
+console.log(multilineMessage);
+/* Output:
+My name is Henok.
+I am 22 years old.
+I love coding and learning new things.
+*/