I'm working with a large HTML table that looks like this:
<table>
<tr>
<td>value1</td>
<td>value2</td>
</tr>
<tr>
<td>value3</td>
<td>value4</td>
</tr>
</table>
Each value in the table needs to have a dropdown feature for users to click and change the value via an ajax function. What would be the most efficient way to implement this? Multiple dropdowns, one per value? A single dropdown that changes position? How should I tackle this task?
By clicking on this link, you can see how the cell transforms into a dropdown upon click, and reverts back to its original form once a value is selected, in case that is what you are looking for.
Here's a code snippet that achieves a similar effect using jQuery. I find it quite handy. :)
$("table tr").each(function(){
$(this).find('td').each(function(){
var before = $(this).text();
$(this).html("<select><option>"+before+"</option></select>");
});
});
To ensure a smooth user experience, consider incorporating a select element within each table cell. This allows for easy access to values and can be hidden until needed or remain visible at all times. By preloading the values into the select box before page rendering, you streamline the process. However, if this approach proves cumbersome due to page size, utilizing a single select element may be necessary.
Implementing a single select box requires moving it around to different cells and strategizing how to populate it with the correct values. Options include using data attributes on td tags or making an ajax call, but beware of excessive server requests if editing multiple cells. It's advisable to start with the simpler method (select in each td) and switch to the more complex one if needed.
Great news, I was able to successfully make it work using a different approach from my initial answer. In this solution, each table row is transformed into a dropdown menu where the table data cells become the selectable options. This implementation involves utilizing jQuery.
$("tr").each(function(i){
$("td").each(function(){
$(this).replaceWith("<option>"+$(this).text()+"</option>");
});
$(this).replaceWith("<select>"+$(this).html()+"</select>");
});
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