davidhellsing

/* Test if the browser supports decimal letterspacing for fine kerning (f.ex 0.5px)
 * At the moment (january 2012), at least webkit (chrome & safari) does not render decimal pixels correctly
 * https://bugs.webkit.org/show_bug.cgi?id=20606
 * Using this method, you can at least provide an alternative kerning for those browsers
 */

var letterspacing = (function(d) {
    var test = d.createElement('div'),
        ret = true;
    test.style.letterSpacing = '.5px';

davidhellsing

function n(f) {
    return f.replace(/</g,"&lt;").replace(/>/g,"&gt;");
}
a = document.activeElement;
v = a.value;
s = a.selectionStart;
e = a.selectionEnd;
a.value = v.substr(0,s) + n(v.substr(s,e)) + v.substr(e,v.length);

/*