Using jQuery to identify whether the dates displayed in a table are earlier than the current date

Question

Using jQuery to identify whether the dates displayed in a table are earlier than the current date

I need some assistance with what appears to be a straightforward task. Unfortunately, I lack the expertise required to solve this issue.

Essentially, I have a form where I pick a date (for the due date) using jQuery's datepicker. The outcomes are then displayed on another page in a table along with other work orders.

I am struggling to determine how to identify whether the date shown in the table is overdue or not and adjust the CSS if the date is earlier than today's date. Due to the presence of multiple rows in the table, each containing a due date that needs to be assessed, I am finding this challenging.

<table>
<tr>
<td class="dueDate">November 1, 2012</td>
</tr>
<tr>
<td class="dueDate">November 4, 2012</td>
</tr>
<tr>
<td class="dueDate">November 26, 2012</td>
</tr>
</table>

This layout depicts the table when the form is visible. It represents my best attempt at determining whether the displayed date precedes today's date.

$('.dueDate').each(function(){
var dueDate = $(this).val();
var today = new Date();
if (Date.parse(dueDate) < Date.parse(today)){
$(".dueDate").addClass("pastDue");
}        
});

However, this solution is proving ineffective. Any suggestions?

jquery css

Answer 1

Answer №1

It's important to remember that when selecting an element with the class .dueDate, you should use the dot notation, not the hash symbol. This is because dueDate is a class identifier, not an ID.

Answer 2

It's important to remember that when selecting an element with the class .dueDate, you should use the dot notation, not the hash symbol. This is because dueDate is a class identifier, not an ID.

Answer 3

Answer №2

Consider using Date.parse

  if (Date.parse(dueDate) < Date.parse(today)) {
      $(".dueDate").addClass("pastDue");// . for class
  }

Answer 4

Consider using Date.parse

  if (Date.parse(dueDate) < Date.parse(today)) {
      $(".dueDate").addClass("pastDue");// . for class
  }

Answer 5

Answer №3

To simplify date comparisons, converting dates to Unix timestamp is a great approach as it transforms them into numerical values. By utilizing this method, you can easily determine if one date is past another. One way to achieve this is by using the following function sourced from: How to convert Regular Date to unixtime in Javascript?

function covertToUnixTime(yourDate) {
    return new Date(yourDate.substring(4, 8) + '/' + 
                    yourDate.substring(2, 4) + '/' + 
                    yourDate.substring(0, 2)).getTime() / 1000;
}

covertToUnixTime('12092008');   // Returns: 1221170400
//12-09-2008 represents the input date

An alternative method involves using jQuery.now() to obtain the current date as a timestamp, enabling further comparisons between timestamps. For more information on this, refer to: http://api.jquery.com/jQuery.now/ That summarizes the key points.

Answer 6

To simplify date comparisons, converting dates to Unix timestamp is a great approach as it transforms them into numerical values. By utilizing this method, you can easily determine if one date is past another. One way to achieve this is by using the following function sourced from: How to convert Regular Date to unixtime in Javascript?

function covertToUnixTime(yourDate) {
    return new Date(yourDate.substring(4, 8) + '/' + 
                    yourDate.substring(2, 4) + '/' + 
                    yourDate.substring(0, 2)).getTime() / 1000;
}

covertToUnixTime('12092008');   // Returns: 1221170400
//12-09-2008 represents the input date

An alternative method involves using jQuery.now() to obtain the current date as a timestamp, enabling further comparisons between timestamps. For more information on this, refer to: http://api.jquery.com/jQuery.now/ That summarizes the key points.

Answer 7

Answer №4

This post provided some guidance, however the specific code snippet mentioned below didn't yield the desired results:

    var dueDate = $(this).val();

After trying out a different approach, I found success with the following code instead:

    var dueDate = $(this).text();

Answer 8

This post provided some guidance, however the specific code snippet mentioned below didn't yield the desired results:

    var dueDate = $(this).val();

After trying out a different approach, I found success with the following code instead:

    var dueDate = $(this).text();

Using jQuery to identify whether the dates displayed in a table are earlier than the current date

Answer №1

Answer №2

Answer №3

Answer №4

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