Revisions to How to avoid scientific notation for large numbers in JavaScript?

I fixed the digits issue above 100,000,000,000,000,000 magnitude but also for the positive exp decimals

Source Link

edited Dec 10, 2022 at 0:22

29
3

Try this:

Number.standardizenumber = function (number,n) {

  var mantissa = number.toLocaleString(
    'en-US', {
      useGrouping: false,
      signDisplay: "never",
      notation: "scientific",
      minimumFractionDigits: 16,
      maximumFractionDigits: 16
    }
  ).toLowerCase().split('e')[0].replace(/\./g,'');
  var exponentNegative = "0".repeat(Math.max(+Math.abs(number).toExponential().toLowerCase().split('e-')[1]-1,0)) + mantissa;
  var exponentPositive = Math.abs(number)<1E17?mantissa.slice(0,+Math.abs(number).toExponential().toLowerCase().split('e+')[1]+1):mantissa+(Math.abs(number).toExponential().toLowerCase().split('e+')[1]-16);
  var decimalExpPositive = Math.abs(number)<1E17?mantissa.slice(0,Math.abs(number).toExponential().toLowerCase().split('e+')[0]-16):undefined;
  var fullDec = number===0?(1/number<0?'-0':'0'):(1/Math.sign(number)<0?'-':'')+(Math.abs(number)>=1?[exponentPositive,decimalExpPositive](number%1===0?(decimalExpPositive.slice(+Math.abs(number).toExponential().toLowerCase().split('e+')[1]+1)): undefined)].join('.'):`.${exponentNegative}`);
  return isNaN(number)===false&&Math.abs(number)<1E17?((number%1===0?number.toLocaleString('en-US', {useGrouping: false}):fullDec).includes('.')===false?fullDec.split('.')[0].replace(/\B(?=(\d{3})+(?!\d))/g, ","):fullDec.replace(/(\.[0-9]*[1-9])0+$|\.0*$/,'$1').replace(/\B(?<!\.\d*)(?=(\d{3})+(?!\d))/g, ",")):number.toLocaleString('en-US');
  
}

Number.standardizenumber(.0000001) // .0000001
Number.standardizenumber(1E21) // 1,000,000,000,000,000,000,000
Number.standardizenumber(1_234_567_890.123456) // 1,234,567,890.123456

Try this:

Number.standardizenumber = function (number,n) {

  var mantissa = number.toLocaleString(
    'en-US', {
      useGrouping: false,
      signDisplay: "never",
      notation: "scientific",
      minimumFractionDigits: 16,
      maximumFractionDigits: 16
    }
  ).toLowerCase().split('e')[0].replace(/\./g,'');
  var exponentNegative = "0".repeat(Math.max(+Math.abs(number).toExponential().toLowerCase().split('e-')[1]-1,0)) + mantissa;
  var exponentPositive = Math.abs(number)<1E17?mantissa.slice(0,+Math.abs(number).toExponential().toLowerCase().split('e+')[1]+1):mantissa+(Math.abs(number).toExponential().toLowerCase().split('e+')[1]-16);
  var decimalExpPositive = Math.abs(number)<1E17?mantissa.slice(0,Math.abs(number).toExponential().toLowerCase().split('e+')[0]-16):undefined;
  var fullDec = number===0?(1/number<0?'-0':'0'):(1/Math.sign(number)<0?'-':'')+(Math.abs(number)>=1?[exponentPositive,decimalExpPositive].join('.'):`.${exponentNegative}`);
  return isNaN(number)===false&&Math.abs(number)<1E17?((number%1===0?number.toLocaleString('en-US', {useGrouping: false}):fullDec).includes('.')===false?fullDec.split('.')[0].replace(/\B(?=(\d{3})+(?!\d))/g, ","):fullDec.replace(/(\.[0-9]*[1-9])0+$|\.0*$/,'$1').replace(/\B(?<!\.\d*)(?=(\d{3})+(?!\d))/g, ",")):number.toLocaleString('en-US');
  
}

Number.standardizenumber(.0000001) // .0000001
Number.standardizenumber(1E21) // 1,000,000,000,000,000,000,000
Number.standardizenumber(1_234_567_890.123456) // 1,234,567,890.123456

Try this:

Number.standardizenumber = function (number,n) {

  var mantissa = number.toLocaleString(
    'en-US', {
      useGrouping: false,
      signDisplay: "never",
      notation: "scientific",
      minimumFractionDigits: 16,
      maximumFractionDigits: 16
    }
  ).toLowerCase().split('e')[0].replace(/\./g,'');
  var exponentNegative = "0".repeat(Math.max(+Math.abs(number).toExponential().toLowerCase().split('e-')[1]-1,0)) + mantissa;
  var exponentPositive = Math.abs(number)<1E17?mantissa.slice(0,+Math.abs(number).toExponential().toLowerCase().split('e+')[1]+1):mantissa+(Math.abs(number).toExponential().toLowerCase().split('e+')[1]-16);
  var decimalExpPositive = Math.abs(number)<1E17?mantissa.slice(0,Math.abs(number).toExponential().toLowerCase().split('e+')[0]-16):undefined;
  var fullDec = number===0?(1/number<0?'-0':'0'):(1/Math.sign(number)<0?'-':'')+(Math.abs(number)>=1?[exponentPositive,(number%1===0?(decimalExpPositive.slice(+Math.abs(number).toExponential().toLowerCase().split('e+')[1]+1)): undefined)].join('.'):`.${exponentNegative}`);
  return isNaN(number)===false&&Math.abs(number)<1E17?((number%1===0?number.toLocaleString('en-US', {useGrouping: false}):fullDec).includes('.')===false?fullDec.split('.')[0].replace(/\B(?=(\d{3})+(?!\d))/g, ","):fullDec.replace(/(\.[0-9]*[1-9])0+$|\.0*$/,'$1').replace(/\B(?<!\.\d*)(?=(\d{3})+(?!\d))/g, ",")):number.toLocaleString('en-US');
  
}

Number.standardizenumber(.0000001) // .0000001
Number.standardizenumber(1E21) // 1,000,000,000,000,000,000,000
Number.standardizenumber(1_234_567_890.123456) // 1,234,567,890.123456

I fixed the digits issue above 100,000,000,000,000,000 magnitude.

Source Link

edited Dec 9, 2022 at 4:00

Criscach Cachaña

29
3

Try this:

Number.standardizenumber = function (number,n) {

  var mantissa = number.toLocaleString(
    'en-US', {
      useGrouping: false,
      signDisplay: "never",
      notation: "scientific",
      minimumFractionDigits: 16,
      maximumFractionDigits: 16
    }
  ).toLowerCase().split('e')[0].replace(/\./g,'');
  var exponentNegative = "0".repeat(Math.max(+Math.abs(number).toExponential().toLowerCase().split('e-')[1]-1,0)) + mantissa;
  var exponentPositive = Math.abs(number)<1E17?mantissa.slice(0,+Math.abs(number).toExponential().toLowerCase().split('e+')[1]+1):mantissa+(Math.abs(number).toExponential().toLowerCase().split('e+')[1]-16);
  var decimalExpPositive = Math.abs(number)<1E17?mantissa.slice(0,Math.abs(number).toExponential().toLowerCase().split('e+')[0]-16):undefined;
  var fullDec = number===0?(1/number<0?'-0':'0'):(1/Math.sign(number)<0?'-':'')+(Math.abs(number)>=1?[exponentPositive,decimalExpPositive].join('.'):`.${exponentNegative}`);
  return isFiniteisNaN(number)===false&&Math.abs(number)<1E17?((number%1===0?number.toLocaleString('en-US', {useGrouping: false}):fullDec).includes('.')===false?fullDec.split('.')[0].replace(/\B(?=(\d{3})+(?!\d))/g, ","):[fullDecfullDec.replace(/(\.[0-9]*[1-9])0+$|\.0*$/,'$1')).split('.')[0].replace(/\B(?<!\.\d*)(?=(\d{3})+(?!\d))/g, ","), fullDec.replace(/(\.[0-9]*[1-9])0+$|\.0*$/,'$1')).split('.')[1]]:number.jointoLocaleString('.''en-US');
  
}

Number.standardizenumber(.0000001) // .0000001
Number.standardizenumber(1E21) // 1,000,000,000,000,000,000,000
Number.standardizenumber(1_234_567_890.123456) // 1,234,567,890.123456

Try this:

Number.standardizenumber = function (number,n) {

  var mantissa = number.toLocaleString(
    'en-US', {
      useGrouping: false,
      signDisplay: "never",
      notation: "scientific",
      minimumFractionDigits: 16,
      maximumFractionDigits: 16
    }
  ).toLowerCase().split('e')[0].replace(/\./g,'');
  var exponentNegative = "0".repeat(Math.max(+Math.abs(number).toExponential().toLowerCase().split('e-')[1]-1,0)) + mantissa;
  var exponentPositive = Math.abs(number)<1E17?mantissa.slice(0,+Math.abs(number).toExponential().toLowerCase().split('e+')[1]+1):mantissa+(Math.abs(number).toExponential().toLowerCase().split('e+')[1]-16);
  var decimalExpPositive = Math.abs(number)<1E17?mantissa.slice(0,Math.abs(number).toExponential().toLowerCase().split('e+')[0]-16):undefined;
  var fullDec = number===0?(1/number<0?'-0':'0'):(1/Math.sign(number)<0?'-':'')+(Math.abs(number)>=1?[exponentPositive,decimalExpPositive].join('.'):`.${exponentNegative}`);
  return isFinite(number)?((number%1===0?number.toLocaleString('en-US', {useGrouping: false}):fullDec).includes('.')===false?fullDec.split('.')[0].replace(/\B(?=(\d{3})+(?!\d))/g, ","):[fullDec.replace(/(\.[0-9]*[1-9])0+$|\.0*$/,'$1')).split('.')[0].replace(/\B(?=(\d{3})+(?!\d))/g, ","), fullDec.replace(/(\.[0-9]*[1-9])0+$|\.0*$/,'$1')).split('.')[1]].join('.')
  
}

Number.standardizenumber(.0000001) // .0000001
Number.standardizenumber(1E21) // 1,000,000,000,000,000,000,000
Number.standardizenumber(1_234_567_890.123456) // 1,234,567,890.123456

Try this:

Number.standardizenumber = function (number,n) {

  var mantissa = number.toLocaleString(
    'en-US', {
      useGrouping: false,
      signDisplay: "never",
      notation: "scientific",
      minimumFractionDigits: 16,
      maximumFractionDigits: 16
    }
  ).toLowerCase().split('e')[0].replace(/\./g,'');
  var exponentNegative = "0".repeat(Math.max(+Math.abs(number).toExponential().toLowerCase().split('e-')[1]-1,0)) + mantissa;
  var exponentPositive = Math.abs(number)<1E17?mantissa.slice(0,+Math.abs(number).toExponential().toLowerCase().split('e+')[1]+1):mantissa+(Math.abs(number).toExponential().toLowerCase().split('e+')[1]-16);
  var decimalExpPositive = Math.abs(number)<1E17?mantissa.slice(0,Math.abs(number).toExponential().toLowerCase().split('e+')[0]-16):undefined;
  var fullDec = number===0?(1/number<0?'-0':'0'):(1/Math.sign(number)<0?'-':'')+(Math.abs(number)>=1?[exponentPositive,decimalExpPositive].join('.'):`.${exponentNegative}`);
  return isNaN(number)===false&&Math.abs(number)<1E17?((number%1===0?number.toLocaleString('en-US', {useGrouping: false}):fullDec).includes('.')===false?fullDec.split('.')[0].replace(/\B(?=(\d{3})+(?!\d))/g, ","):fullDec.replace(/(\.[0-9]*[1-9])0+$|\.0*$/,'$1').replace(/\B(?<!\.\d*)(?=(\d{3})+(?!\d))/g, ",")):number.toLocaleString('en-US');
  
}

Number.standardizenumber(.0000001) // .0000001
Number.standardizenumber(1E21) // 1,000,000,000,000,000,000,000
Number.standardizenumber(1_234_567_890.123456) // 1,234,567,890.123456

Source Link

created Dec 9, 2022 at 3:40

Criscach Cachaña

29
3

Try this:

Number.standardizenumber = function (number,n) {

  var mantissa = number.toLocaleString(
    'en-US', {
      useGrouping: false,
      signDisplay: "never",
      notation: "scientific",
      minimumFractionDigits: 16,
      maximumFractionDigits: 16
    }
  ).toLowerCase().split('e')[0].replace(/\./g,'');
  var exponentNegative = "0".repeat(Math.max(+Math.abs(number).toExponential().toLowerCase().split('e-')[1]-1,0)) + mantissa;
  var exponentPositive = Math.abs(number)<1E17?mantissa.slice(0,+Math.abs(number).toExponential().toLowerCase().split('e+')[1]+1):mantissa+(Math.abs(number).toExponential().toLowerCase().split('e+')[1]-16);
  var decimalExpPositive = Math.abs(number)<1E17?mantissa.slice(0,Math.abs(number).toExponential().toLowerCase().split('e+')[0]-16):undefined;
  var fullDec = number===0?(1/number<0?'-0':'0'):(1/Math.sign(number)<0?'-':'')+(Math.abs(number)>=1?[exponentPositive,decimalExpPositive].join('.'):`.${exponentNegative}`);
  return isFinite(number)?((number%1===0?number.toLocaleString('en-US', {useGrouping: false}):fullDec).includes('.')===false?fullDec.split('.')[0].replace(/\B(?=(\d{3})+(?!\d))/g, ","):[fullDec.replace(/(\.[0-9]*[1-9])0+$|\.0*$/,'$1')).split('.')[0].replace(/\B(?=(\d{3})+(?!\d))/g, ","), fullDec.replace(/(\.[0-9]*[1-9])0+$|\.0*$/,'$1')).split('.')[1]].join('.')
  
}

Number.standardizenumber(.0000001) // .0000001
Number.standardizenumber(1E21) // 1,000,000,000,000,000,000,000
Number.standardizenumber(1_234_567_890.123456) // 1,234,567,890.123456

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