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JavaScript | Math.imul()方法 (JavaScript | Math.imul() Method)

Math.imul() is a function in math library of JavaScript that is used to the 32-bit multiplication of the two values passed to it. It uses C-like semantics to find the multiplication. It can accept floating-point variables but will convert it into integer before conversion.

Math.imul()是JavaScript數學庫中的函數，用于對傳遞給它的兩個值進行32位乘法。 它使用類似于C的語義來查找乘法。 它可以接受浮點變量，但會在轉換前將其轉換為整數。

Syntax:

句法：

    Math.imul(val1, val2);

Parameter(s):

參數：

• val1, val2 – represent the values that are to be multiplied using 32-bit multiplication.

  val1，val2 –表示要使用32位乘法相乘的值。

Return value:

返回值：

The return type of this method is number, it returns the 32-bit multiplication.

該方法的返回類型為number ，它返回32位乘法。

Browser support: Chrome, Internet explorer, Mozilla, Safari, Opera mini.

瀏覽器支持： Chrome，Internet Explorer，Mozilla，Safari，Opera mini。

Example 1: Valid values

示例1：有效值

console.log(Math.imul(8, 5));
console.log(Math.imul(6.4, 2.1));
console.log(Math.imul(-32, 32));
console.log(Math.imul(0, 23));
console.log(Math.imul("27.08", "-3"));

Output

輸出量

40
12
-1024
0
-81

Example 2: With strings

示例2：帶字符串

console.log(Math.imul("Javascript"));
console.log(Math.imul("Javascript", "C++"));

Output

輸出量

0
0

翻譯自: https://www.includehelp.com/code-snippets/math-imul-method-with-example-in-javascript.aspx

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