Absolute position table with padding

Today, I have a task of widening the tables to match 100% browser width to view more contents while keeping other elements stay the as they were.

pjimage

The problem is, I have so many tables to do (about 20 pages including that kind of table). I am too lazy to edit all of those pages. It really takes time and potential to introduce bugs.

So, I choose javascript and CSS to help me out.

Firstly, those tables have the class named “table_wide”.

We will use the CSS absolute position’s power of ignorance. We can make the table to be absolute with 100% percent width. But the problem is, it also ignores padding or margin. So our table will be stuck to the left and right edges.

Well, challenge accepted.

Absolute position ignores everything but it has top, right, bottom and left instead. However, top, right, bottom and left are not adapted to its width. So we cannot use padding properly.

We will use what we have to acquire what we want.


$(".table_wide").each(function(){
var paddingInPx = 10;
var windowWidthInPx = $(window).width();

// Calculate the width of table.
var thisWidthInPercent = 100 - (100/windowWidthInPx*2*paddingInPx);

// Create an empty div to fill up the space the absolute table occupied in the past.
$(this).after('<div style="height: ' + this.offsetHeight + 'px;"></div>');
$(this).wrap('<div style="position: absolute; width: ' + thisWidthInPercent + '%; left: ' + paddingInPx + 'px"></div>');
});

.table_wide {
    display: block;
    overflow: auto;
}

Well done! Challenge accomplished.

Jsfiddle: https://jsfiddle.net/ducfilan/p961moLd/

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