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DataView.getUint8() function in JavaScript
The getUint8() function of the DataView gets and returns an unsigned 8-bit integer at the specified position.
Syntax
Its syntax is as follows
dataView.getUint8();
Example
<html> <head> <title>JavaScript Example</title> </head> <body> <script type="text/javascript"> var arrayBuffer = new ArrayBuffer(20); var dataView = new DataView(arrayBuffer); dataView.setUint8(1, 657); document.write(dataView.getUint8(1)); </script> </body> </html>
Output
145
Example
To this function you cannot pass float value, if you try to do so it is considered as integer value.
<html> <head> <title>JavaScript Example</title> </head> <body> <script type="text/javascript"> var arrayBuffer = new ArrayBuffer(20); var dataView = new DataView(arrayBuffer); dataView.setUint8(1, 657.82); document.write(dataView.getUint8(1)); </script> </body> </html>
Output
145
Example
If nothing is stored in the dataview and if you still, try to get data, this function will return 0.
<html> <head> <title>JavaScript Example</title> </head> <body> <script type="text/javascript"> var arrayBuffer = new ArrayBuffer(20); var dataView = new DataView(arrayBuffer); dataView.setUint8(1); document.write(dataView.getUint8(1)); </script> </body> </html>
Output
0
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