isSafeInteger() 方法用来判断传入的参数值是否是一个"安全整数"(safe integer),如果是安全整数返回 true,否则返回 false。一个安全整数是一个符合下面条件的整数:可以准确地表示为一个 IEEE-754 双精度数字。 其IEEE-754 表示不能是舍入任何其他整数以适应 IEEE-754 表示的结果。比如,2^53 - 1 是一个安全...
JavaScript built-in: Number: isSafeInteger Global usage 95.33% + 0% = 95.33% IE ❌ 6 - 10: Not supported ❌ 11: Not supported Edge ✅ 12 - 135: Supported ✅ 136: Supported Firefox ❌ 2 - 31: Not supported ✅ 32 - 137: Supported ✅ 138: Supported ✅ 139 - 141: ...
What is javascript’s highest integer value that a number can go to without losing precision - It is 253 == 9 007 199 254 740 992. This is because Numbers are stored as floating-point in a 52-bit mantissa.
Number.isSafeInteger(Infinity); Number.isSafeInteger(-Infinity); Try it Yourself » Browser Support Number.isSafeInteger()is an ECMAScript6 (ES6) feature. ES6 (JavaScript 2015) is supported in all modern browsers since June 2017: Chrome 51Edge 15Firefox 54Safari 10Opera 38 ...
HTMLJavascriptProgramming Scripts The isSafeInteger() function of the Number object accepts a number and determines if it is safe integer. If the given number is a safe integer it returns true else, it returns false. Syntax Its Syntax is as follows Number.isSafeInteger(90071991); Advertisement...
Number.isSafeInteger(Value) 参数: Value:这是safeinteger()方法要检查的号码。 返回值:如果值是安全整数,则 JavaScript 中的 toExponential() 方法返回 true,否则返回 false。 以下是编号 isSafeInteger() 方法的示例。 示例1:此示例使用 safeinteger() 方法检查 4 是否是安全整数。
JavaScript中的isSafeInteger()方法用于检查数字是否为安全整数。 用法: Number.isSafeInteger(Value) 使用的参数: 1.值:这是safeinteger()方法要检查的数字。 返回值: 如果值是安全整数Number,则JavaScript中的toExponential()方法将返回true,否则返回false。
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The JavaScript Number.isSafeInteger() method determines whether the provided value is a number that is a safe integer. In this article, you will learn about the isSafeInteger() method of Number object with the help of examples.
代码语言:javascript 代码运行次数:0 运行 AI代码解释 Enter a number:55*3=555 The reason for this output is that the “input” function always returns a string. So sure, we asked the user for a number, but we got the string ‘5’, rather than the integer 5. The ‘555’ output is th...