In JavaScript, toPrecision() is a Number method that is used to convert a number to a specified precision (rounding the result where necessary) and return its value as a string. Because toPrecision() is a method of the Number object, it must be invoked through a particular instance of the...
JavaScript Number toPrecision()用法及代码示例 编号toPrecision() 方法 toPrecision() 方法是 Number 类的一个方法,用于将数字转换为指定的长度,包括小数点(如果目标长度较短)。 用法: Number.toPrecision(n); 这里,n用于定义数字的长度。 例子: Input:10 num = 123.456 Function call Output num.toPrecision(8) ...
ThetoPrecision()method formats a number to a specified length. A decimal point and nulls are added (if needed), to create the specified length. Syntax number.toPrecision(x) Parameters ParameterDescription xOptional. The number of digits.
JavaScript Number toPrecision() Method - The JavaScript Number toPrecision() method is used to retrieve a string representing this number to the specified precision, or it formatted the input number to the specified precision. The Precision describes the
Number 对象的 toPrecision() 函数接受一个表示精度的值,并将(当前)数字的表示返回到指定的精度。 用法 其语法如下 num.toPrecision(num); 示例 JavaScript Examplevarnum =3325.462; result = num.toPrecision(2);document.write("Result:"+ result); 输出 Result...