get transform val

gistfile1.txt

var div = document.getElementById("result"),
    elm = document.getElementById("elm");

var computedStyle,mat,a,b,c,d,e,f,
reMat = /matrix\(\s*(-?\d+(?:\.\d+)?)\s*,\s*(-?\d+(?:\.\d+)?)\s*,\s*(-?\d+(?:\.\d+)?)\s*,\s*(-?\d+(?:\.\d+)?)\s*\,\s*(-?\d+(?:\.\d+)?)\s*,\s*(-?\d+(?:\.\d+)?)\s*\)/;

computedStyle = window.getComputedStyle(elm, null);
mat = computedStyle['-webkit-transform'].match(reMat).slice(1);
a = parseFloat(mat[0], 10);
b = parseFloat(mat[1], 10);
c = parseFloat(mat[2], 10);
d = parseFloat(mat[3], 10);
e = parseFloat(mat[4], 10);
f = parseFloat(mat[5], 10);

div.innerHTML = "mat：" + mat + "<br>" + "a：" + a + "<br>" + "b：" + b + "<br>" + "c：" + c + "<br>" + "d：" + d + "<br>" + "e：" + e + "<br>" + "f：" + f + "<br>";