JavaScript Reference/Javascript Methods/toPrecision

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"toPrecision()" Example

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<html> <body> <button onclick="var myNum = new Number(10000); alert(myNum.toPrecision(1));"> to Precision </button> </body> </html> 


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"toPrecision()" is applied to

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+----------------+--------------------------------------------------------------+ | Applied_To |Number | +----------------+--------------------------------------------------------------+ 

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"toPrecision()" Syntax Parameters and Note

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Note: Converts a number to exponential notation if it contains more digits than specified parameter.

Syntax:

numberName.toPrecision(param1) Parameters: 

   param1   Required; minimum number of digits to convert to exponential notation. 
   
     
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