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jQuery Calculate remaining characters length for input


jQuery Calculate remaining characters length for input

By : Kristi Michelle Grey
Date : October 23 2020, 08:10 AM
Hope this helps I have a form with a dozen input, each with a different maximum length , You want this one:
code :
$("input").on('focus keyup', function() {
  var $input = $(this);
  var value = $input.val();
  var maxLength = parseInt($input.attr('maxlength'));
  var remainingLength = maxLength - value.length;
  if (remainingLength < 0) {
    $input.val(value.substr(0, maxLength));
    remainingLength = 0;
  }
  $input.next().show().text(remainingLength);
});

$("input").focusout(function() {
  $(this).next().text('');
});
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css" integrity="sha384-BVYiiSIFeK1dGmJRAkycuHAHRg32OmUcww7on3RYdg4Va+PmSTsz/K68vbdEjh4u" crossorigin="anonymous">

<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>


<div class="form-group row">
  <div class="col-xs-3">
    <div class="input-title">Code 1</div>
    <input type="search" name="code_1" id="code-1" class="form-control dymax" value="000" placeholder="Code 1" autocomplete="none" maxlength="5">
    <div class="characters"></div>
    <div class="input-content"></div>
  </div>
  <div class="col-xs-3">
    <div class="input-title">Code 2</div>
    <input type="search" name="code_2" id="code-2" class="form-control dymax" value="000" placeholder="Code 2" autocomplete="none" maxlength="20">
    <div class="characters"></div>
    <div class="input-content"></div>
  </div>
  <div class="col-xs-3">
    <div class="input-title">Code 3</div>
    <input type="search" name="code_3" id="code-3" class="form-control dymax" value="000" placeholder="Code 3" autocomplete="none" maxlength="10">
    <div class="characters"></div>
    <div class="input-content"></div>
  </div>
  <div class="col-xs-3">
    <div class="input-title">Code 4</div>
    <input type="search" name="code_4" id="code-4" class="form-control dymax" value="000" placeholder="Code 4" autocomplete="none" maxlength="5">
    <div class="characters"></div>
    <div class="input-content"></div>
  </div>
</div>


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JQuery function for showing remaining characters in textarea/input

JQuery function for showing remaining characters in textarea/input


By : MHM
Date : March 29 2020, 07:55 AM
will help you This is working for me:
http://jsfiddle.net/7Zvhq/
Calculate time remaining with different length of variables

Calculate time remaining with different length of variables


By : Courtney Smalley
Date : March 29 2020, 07:55 AM
I wish this helpful for you OK, I believe I have figured it out. I had to create a class so I could calculate a single regression over a period of time.
code :
    function calc() {
        $n = count($this->mDatas);
        $vSumXX = $vSumXY = $vSumX = $vSumY = 0;

        //var_dump($this->mDatas);
        $vCnt = 0; // for time-series, start at t=0<br />
        foreach ($this->mDatas AS $vOne) {
            if (is_array($vOne)) { // x,y pair<br />
                list($x,$y) = $vOne;
            } else { // time-series<br />
                $x = $vCnt; $y = $vOne;
            } // fi</p>
            $vSumXY += $x*$y;
            $vSumXX += $x*$x;
            $vSumX += $x;
            $vSumY += $y;
            $vCnt++;
        } // rof
        $vTop = ($n*$vSumXY – $vSumX*$vSumY);
        $vBottom = ($n*$vSumXX – $vSumX*$vSumX);
        $a = $vBottom!=0?$vTop/$vBottom:0;
        $b = ($vSumY – $a*$vSumX)/$n;

        //var_dump($a,$b);
        return array($a,$b);
    }
    /** given x, return the prediction y */
    function calcpredict($x) {
        list($a,$b) = $this->calc();
        $y = $a*$x+$b;
        return $y;
    }
$eachTime = array(7,1,.5,12,11,6,3,.24,.12,.28,2,1,14,8,4,1,.15,1,12,3,8,4,5,8,.3,.2,.4,.6,4,5);
$forecastProcess = new Linear($eachTime);
$forecastTime = $forecastProcess->calcpredict(5);
Jquery input update (with remaining characters) for more than one input copy

Jquery input update (with remaining characters) for more than one input copy


By : Ahsan Altaf
Date : March 29 2020, 07:55 AM
should help you out I've got a little problem about updating text field (characters count). Here is the code , USe like this
code :
     $('input.account-edit-field').on('keyup', function() {
        $(this).next('.input-text-count').text(30-$(this).val().length);
    });
    $('input.account-edit-field').on('change', function() {
         $(this).next('.input-text-count').text(30-$(this).val().length);
    });
<input type="text" value="" maxlength="30" class="account-edit-field">
How to calculate characters remaining in multiple text area

How to calculate characters remaining in multiple text area


By : Eivinas N.
Date : March 29 2020, 07:55 AM
seems to work fine Isolate the instance using a traversal method like next().
code :
$(function() {
  $('textarea').keyup(function() {
    var maxLength = $(this).attr('maxlength'),
      textLength = $(this).val().length,
      remText = (maxLength - textLength);
    $(this).next('.text').html(remText + ' characters remaining');
  });
});
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>

<textarea maxlength="20"></textarea>
<div class='text'></div>

<textarea maxlength="20"></textarea>
<div class='text'></div>

<textarea maxlength="20"></textarea>
<div class='text'></div>

<textarea maxlength="20"></textarea>
<div class='text'></div>
How to calculate the remaining days in a year from user input

How to calculate the remaining days in a year from user input


By : Akshat Srivastava
Date : March 29 2020, 07:55 AM
Any of those help You should use date aware classes for this purpose, but just for fun and more importantly for educational purposes, you can probably do it in the way you started like this:
code :
int remainingDays = getDays(month, year) - days + 1;
for(int currentMonth = month + 1; currentMonth <= 12; currentMonth++) {
   remainingDays += getDays(year, currentMonth);
}
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