function initTool() {
document.getElementById('tool-app').innerHTML = '';
}
function doIt() {
var t = document.getElementById('inp').value;
var total=t.length, letters=(t.match(/[a-zA-Z]/g)||[]).length, cjk=(t.match(/[\\u4e00-\\u9fff]/g)||[]).length;
var digits=(t.match(/[0-9]/g)||[]).length, spaces=(t.match(/\\s/g)||[]).length;
var lines = t.split(String.fromCharCode(10)).length;
document.getElementById('out').innerHTML = '