JSFiddle - React, Tailwind, and code Playground
by Ivanq
HTML
<div id="block"></div>JavaScript
block = document.getElementById("block");
str = "matrix(1,0,0,1,0,0)";
var a = str.substr(7).substr(0, str.length-1).split(",");
a[5] = 80;
var newStr = "matrix("+a.join(",")+")";
block.innerHTML = newStr;