Convert all hyphens to non-breaking

nbhyphen.js

// parse through each element in the document
// replace hyphens with non-breaking hyphens

var elements = document.getElementsByTagName('*');

for (var i = 0; i < elements.length; i++) {
    var element = elements[i];
    // ignore script and style elements
    if (element.tagName === 'SCRIPT' || element.tagName === 'STYLE') {
        continue;
    }
    for (var j = 0; j < element.childNodes.length; j++) {
        var node = element.childNodes[j];
        // only process text nodes
        if (node.nodeType === 3 && node.nodeValue.indexOf('-') !== -1) {
            var text = node.nodeValue;
            var replacedText = text.replace(/-/g, '‑');
            if (replacedText !== text) {
                element.replaceChild(document.createTextNode(replacedText), node);
            }
        }
    }
}