Set Css Style On First Row Of The Table On Case First Row Has Rowspan

Question

I have many table, want to set css style on first row of the table on case first row has rowspan.

Name

Solution 1:

You can set it in Javascript background using:

nth-child(-n+${rowspan})

Eg.

let tr = document.getElementsByTagName("tr")[0];
let td = tr.getElementsByTagName("td")[0];
let rowspan = td.rowSpan? td.rowSpan:1; 
var nodes = document.querySelectorAll(`tbody tr:nth-child(-n+${rowspan})`);
for (let i = 0; i < nodes.length; i++) {
  nodes[i].style.background = '#1DA6C0';
}

https://jsfiddle.net/xugL8s9b/10/

Solution 2:

I don't think this is possible with CSS. You have to dynamically add the styles to the cells depending on the row-span. Here I am assuming that you can have row-span only on the 1st cell of tbody.

<script>
  $(function () {
   $("#mytable tr:nth-child(1) td:nth-child(1)").each(function () {
    let rowspan = this.getAttribute("rowspan")
    var css = `tbody tr:nth-child(-n+${rowspan}) {background-color: #1DA6C0;color: #fff;}`,
    head = document.head || document.getElementsByTagName('head')[0],
    style = document.createElement('style');
    head.appendChild(style);
    style.type = 'text/css';
    if (style.styleSheet) {
     style.styleSheet.cssText = css;
    } 
    else {
     style.appendChild(document.createTextNode(css));
    }
  });
 });
</script>

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Set Css Style On First Row Of The Table On Case First Row Has Rowspan

Solution 1:

Solution 2:

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