Chrome javascript snippet for strip all text from page

removeTextChrome.js

var body = document.getElementsByTagName("body")[0];
var iter = document.createNodeIterator (body, NodeFilter.SHOW_TEXT);

var textnode;
while (textnode = iter.nextNode()) {
    if(textnode.wholeText.trim() !== '') {
        textnode.nodeValue = '1';
    }
   
}