function formatToTwoDecimalPlaces(num) { return num.toFixed(2); // 返回字符串 // 或者，如果你...
We were able to round the float 2.333 to 2 decimal places. The string “9.01345” was rounded to 9.01. An integer such as 5 will become “5.00”, with two zeros being appended behind the decimal place. For “383.48910093”, we changed the second parameter to 4. This rounded the number ...
注意:toFixed()方法返回的是一个字符串,而不是数字。如果你需要将其转换回数字类型,可以使用parseFloat或Number构造函数,但这样做可能会引入浮点数精度问题。 javascript let numAsFloat = parseFloat(formattedNum); // 123.46(但这是一个浮点数,可能会有精度问题) let numAsNumber = Number(formattedNum); // ...
NOTE – toFixed(x) function – Always first typecast the given decimal number(float value) into a string. Then round the number to x decimal places. Hence, the data type of result will be a string. You can verify by using thetypeoffunction. ...
Next, we called thetoFixed()method on the pointing point number, passing it2as the number of digits to appear after the decimal point. It rounds the number and pads the decimal places with zero if necessary. Note that thetoFixed()method returns a string representing the pointing point numbe...
javascript将int转换为带有2位小数的float float_num.toFixed(2); 0 0 coffeescript浮动到小数点后两位 number =24.54616515.toFixed2#24.55 0 0 抑浮到两个小地方 number =24.54616515.toFixed2#24.55 0 0 在javascript中将int转换为float parseFloat("4").toFixed(2) ...
Convert a string amount to a float with 2 decimal places in asp.net using c#? convert an image to byte array in vb.net COnvert Database HTML field text to ITEXTSharp text Convert DataSet to byte array Convert Date format into dd-MMM-yyyy format convert date from english numbers format to...
默认的.toString()字符串转换只显示小数点前后的有效数字，末尾没有额外的尾随零。
JavaScript toFixed() Method We use thetoFixed()method to round off a number into a fixed number of digits. For example, letnum =5.12345; // built-in number method toFixed()// round off num to two decimal placesletroundedNum = num.toFixed(2); ...
Failed to configure Ethernetusing DHCP"); Ethernet.begin(mac, ip); } 我们在串行监视器显示 IP 地址: serverbegin(); Serial.print("serveris at "); Serial.printlnEthernet.localIP()); wdt_enableWDTO_4S); } 我们读取温度和湿度传感器: void loop) { temp = (float)dht.read()...