What is concatenation?

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What is concatenation?

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Concatenation is the process of joining two or more strings. Strings can be joined in three ways:

  1. + operator

  2. += operator

  3. concat function

Each of them is shown with an example as follows:

  1. The + operator


    2. The + operator can be used to concatenate the strings as follows:

    var name="John"
    alert("My name is "+name)

    The output is shown in the image below:



  2. The += operator


    3. The += operator can be used as follows:

    var tag="<html>"
    tag+="<head><title>My web page </title></head>"
    tag+="<body><p>This is my first web page </body>
    tag+="</html>"

    The output is shown in the image below:



  3. The concat function


    4. The concat function belongs to a string object and it can be used to combine strings. The following code will demonstrate this:

    var str="This is my string ".concat("This is your string")

    The output is shown in the image below:


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