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JavaScript - TypedArray toString() Method
The JavaScript TypedArray toString() method returns a string representation of the current typed array and its elements. JavaScript calls the toString method automatically when a typed array is to be represented as a text value, e.g. when a typed array is concatenated with a string.
Note − It converts a typed array to a string implicitly, which means that the typed array is automatically changed by the JavaScript engine.
Syntax
Following is the syntax of JavaScript TypedArray toString() method −
toString()
Parameters
It does not accept any parameters.
Return value
This method returns a string representation of the elements of the typed array.
Examples
Example 1
In the following example, we are using the JavaScript Typedarray toString() method to retrieve a string representation of a typed array: [1, 2, 3, 4, 5].
<html> <head> <title>JavaScript TypedArray toString() Method</title> </head> <body> <script> const T_array = new Uint8Array([1, 2, 3, 4, 5]); document.write("Typed array: ", T_array); //using toString() method let str = T_array.toString(); document.write("<br>String representating typed array: ", str); document.write("<br>Type of str(after converting to a string): ", typeof(str)); </script> </body> </html>
Output
The above program returns a string representing a typed array −
Typed array: 1,2,3,4,5 String representating typed array: 1,2,3,4,5 Type of str(after converting to a string): string
Example 2
The following is another example of using the JavaScript TypedArray toString() method to explicitly convert the typed array [10, 20, 30, 40, 50, 60, 70, 80] into a string. Additionally, we'll look an implicit method to achieve the same result.
<html> <head> <title>JavaScript TypedArray toString() Method</title> </head> <body> <script> const T_array = new Uint8Array([10, 20, 30, 40, 50, 60, 70, 80]); document.write("Typed array: ", T_array); //using toString() method //explicit conversion let str = T_array.toString(); document.write("<br>String representating typed array(explicit): ", str); document.write("<br>Type of str(after converting to a string): ", typeof(str)); //implicit conversion let new_str = `${T_array}`; document.write("<br>String representating typed array(implicit ): ", new_str); document.write("<br>Type of str(after converting to a string): ", typeof(new_str)); </script> </body> </html>
Output
After executing the above program, it will return a string representation typed array:
Typed array: 10,20,30,40,50,60,70,80 String representating typed array(explicit): 10,20,30,40,50,60,70,80 Type of str(after converting to a string): string String representating typed array(implicit ): 10,20,30,40,50,60,70,80 Type of str(after converting to a string): string
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