return parseFloat(s.replace(/[^\d\.-]/g,"")); } //金额合计的格式化s为要格式化的参数(浮点型),n为小数点后保留的位数 function fmoney(s,n){ n = n>0 && n<=20 ? n : 2; s = parseFloat((s+"").replace(/[^\d\.-]/g,"")).toFixed(n)+""; var l = s
let number2 = 1234.56789; // floating point example number2.toLocaleString('en-US', {maximumFractionDigits:2}) // "1,234.57" You can use theminimumFractionDigitsoption of thetoLocaleStringfunction. // result 3,000.00 Number(parseFloat(3000).toFixed(2)).toLocaleString('en', { minimumFractionDi...
parseFloatis a top-level function and is not associated with any object. parseFloatparses its argument, a string, and returns a floating point number. If it encounters a character other than a sign (+ or -), numeral (0-9), a decimal point, or an exponent, it returns the value up to...
() converts strings to numbersThe global method parseFloat() converts strings to numbersMAX_VALUE returns the largest possible number in JavaScriptMIN_VALUE returns the smallest possible number in JavaScriptPOSITIVE_INFINITY represents infinityPOSITIVE_INFINITY is returned on overflowNEGATIVE_INFINITY ...
17.9 全局方法parseFloat()将字符串转换为数字 <!DOCTYPE html> JavaScript Global Methods The parseFloat() method converts strings to numbers: document.getElementById("demo").innerHTML = parseFloat("10") + "" + parseFloat("10.33") + "" + parseFloat("10 6") + "" + parseFloat("...
Parses leading-zero strings as decimal, not octal ? ? 21 ? ? ? 延伸閱讀 parseFloat() Number.parseFloat() Number.parseInt() isNaN() Number.toString() Object.valueOf 文件標籤與貢獻者 標籤: Global method parseInt 整數 進位制 此頁面的貢獻者: Shiyou, iigmir 最近更新: Shiyou, Aug 10, 20...
Javascript + replace parenthesis with - sign for negative numbers to be used by parseFloat Javascript + Spans (How to disable them?) Javascript alert center of screen javascript alert message is shown twice Javascript alert, followed by Response.Redirect? JavaScript and Directory Root Javascript call...
ECMAScript是一种由Ecma国际(前身为欧洲计算机制造商协会)在标准ECMA-262中定义的脚本语言规范。这种语言在万维网上应用广泛,它往往被称为JavaScript或JSc...
Open Compiler JavaScript parseFloat() Method let val = "10.23Ab"; document.write("Given value= " , val) document.write("Floating-point number = ", Number.parseFloat(val)); OutputThe program mentioned above returns the floating-point number "10.23" as shown below...
// Build regex to strip out everything except digits, decimal point and minus sign: var regex = new RegExp("[^0-9-" + decimal + "]", ["g"]), unformatted = parseFloat( ("" + value) .replace(/\((.*)\)/, "-$1") // replace bracketed values with negatives .replace(regex, ...