Below is the example of the Array join() method.
- Example:
<script>
function
func() {
var
a = [ 1, 2, 3, 4, 5, 6 ];
document.write(a.join(
'|'
));
}
func();
< /script>
- Output:
1|2|3|4|5|6
The arr.join() method is used to join the elements of an array into a string. The elements of the string will be separated by a specified separator and its default value is a comma(, ).
Syntax:
array.join(separator)
Parameters: This method accept single parameter as mentioned above and described below:
- separator: It is Optional i.e, it can be either used as parameter or not.Its default value is comma(, ).
Return Value: It returns the String which contain the collection of array’s elements.
Below example illustrate the Array join() method in JavaScript:
- Example 1: In this example the function join() joins together the elements of the array into a string using ‘|’.
var a = [1, 2, 3, 4, 5, 6]; print(a.join('|'));
Output:
1|2|3|4|5|6
- Example 2: In this example the function join() joins together the elements of the array into a string using ‘, ‘ since it is the default value.
var a = [1, 2, 3, 4, 5, 6]; print(a.join());
Output:
1, 2, 3, 4, 5, 6
- Example 3: In this example the function join() joins together the elements of the array into a string using ‘ ‘ (empty string).
var a = [1, 2, 3, 4, 5, 6]; print(a.join(''));
Output:
123456
Code for the above method is provided below:
Program 1:<script>
function
func() {
var
a = [ 1, 2, 3, 4, 5, 6 ];
document.write(a.join());
}
func();
</script>
Output:
1, 2, 3, 4, 5, 6
Program 2:
<script>
function
func() {
var
a = [ 1, 2, 3, 4, 5, 6 ];
document.write(a.join(
''
));
}
func();
</script>
Output:
123456
Supported Browsers: The browsers supported by JavaScript Array join() method are listed below:
- Google Chrome 1.0
- Microsoft Edge 5.1
- Mozilla Firefox 1.0
- Safari
- Opera
- Example 1: In this example the function join() joins together the elements of the array into a string using ‘|’.