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bookmarklet library
สคริปต์นี้ไม่ควรถูกติดตั้งโดยตรง มันเป็นคลังสำหรับสคริปต์อื่น ๆ เพื่อบรรจุด้วยคำสั่งเมทา // @require https://update.greasyfork.org/scripts/515147/1475403/browsedom.js
var isIE = document.all && document.execCommand ? true : false;
var isNS = !document.all ? true : false;
var isOP = document.all && !document.execCommand ? true : false;
var objName = '';
var objs = new Array();
var lvls = new Array();
var exprHistory = new Array();
var exprHistoryIndex = -1;
function State() {
this.statename = 'State 1';
}
function City() {
this.cityname = 'City 1';
}
City.prototype = new State;
function Street() {
this.streetname = 'Street 1';
}
Street.prototype = new City;
var universityAvenue = new Street();
function evalExpr() {
objName = document.forms[0].elements['txtExpr'].value;
var x = objName.split('[');
lvls.length = 0;
for (var i=0; i<x.length; i++)
lvls = lvls.concat(x[i].split('.'));
for (var i=0; i<lvls.length; i++)
if (lvls[i].indexOf(']') == lvls[i].length-1)
lvls[i] = lvls[i].substring(0, lvls[i].length-1);
}
function getPropsString(obj) {
var objAttr = new Array();
/*
var obj;
if (eval(objName)) {
obj = eval(objName);
}
else {
alert('Could not evaluate object.');
return;
}
*/
for (var elem in obj) {
objAttr.push(elem);
}
objAttr = objAttr.sort();
var s = '';
for (var i=0; i<objAttr.length; i++) {
try {
if (typeof(obj[objAttr[i]]) == "function")
s += objAttr[i] + ' = [function]\n';
else
s += objAttr[i] + ' = ' + obj[objAttr[i]] + '\n';
}
catch (e) {
s += objs[i] + ' = [' + e.description + ']\n';
}
}
var test = function () {
this.var0 = "variable 0";
this.var1 = 3.14159;
this.getProp = function(x) {
var i = 0;
for (k in this) { if( x==i++ ) return(k); }
}
}
/*
s += '\n';
blabla = new test();
s += blabla.getProp(2);
var i = 0;
for (k in obj) {
// if (x == i++)
// s += k + '\n';
}
*/
return s;
}
function getProps(keepForwardHistory) {
if (window.opener.closed) {
alert('The referring window has been closed.');
return;
}
var obj = null;
evalExpr();
try {
obj = eval('window.opener.' + objName);
}
catch (e) {
alert('Could not evaluate object.');
}
var slct = document.forms[0].elements['evalresult'];
slct.length = 0;
objs.length = 0;
if (isIE) {
getElementsIE(slct, obj);
}
else if (isNS || isOP) {
getElementsNS(slct, obj);
}
updateHistory(keepForwardHistory);
}
function updateHistory(keepForwardHistory) {
// Navigation history
if (!keepForwardHistory && exprHistory[exprHistoryIndex] != document.forms[0].elements['txtExpr'].value) {
exprHistoryIndex++;
exprHistory.length = exprHistoryIndex;
exprHistory.push(document.forms[0].elements['txtExpr'].value);
}
var btnBack = document.forms[0].elements['btnBack'];
var btnForward = document.forms[0].elements['btnForward'];
if (exprHistoryIndex <= 0) {
btnBack.disabled = true;
btnBack.title = '';
if (isOP)
btnBack.style.color = 'gray';
}
else {
btnBack.disabled = false;
btnBack.title = exprHistory[exprHistoryIndex-1];
if (isOP)
btnBack.style.color = '';
}
if (exprHistoryIndex >= exprHistory.length - 1) {
btnForward.disabled = true;
btnForward.title = '';
if (isOP)
btnForward.style.color = 'gray';
}
else {
btnForward.disabled = false;
btnForward.title = exprHistory[exprHistoryIndex+1];
if (isOP)
btnForward.style.color = '';
}
}
function getElementsIE(slct, obj) {
try {
for (var elem in obj) {
objs.push(elem);
var newOpt = document.createElement('OPTION');
slct.add(newOpt, 0); // Maintain IE4 compatibility
}
}
catch (e) {
alert('Could not evaluate object:\n' + e.description);
}
objs = objs.sort();
for (var i=0; i<objs.length; i++) {
var opt = slct[i];
try {
opt.name = objs[i];
opt.innerText = objs[i] + ' = ' + obj[objs[i]];
}
catch (e) {
opt.innerText = objs[i] + ' = [' + e.description + ']';
}
}
}
function getElementsNS(slct, obj) {
// We make use of the __proto__ attribute, supported by Moz and Opera 7
var props = new Array();
var methods = new Array();
var indeterminate = new Array();
// Get # proto levels of obj
var protoLevels = 0;
for (var p = obj; p; p = p.__proto__) {
props[protoLevels] = new Array();
methods[protoLevels] = new Array();
indeterminate[protoLevels] = new Array();
++protoLevels;
}
for (var elem in obj) {
// Get proto level of elem
var protoLevel = -1;
try {
for (var p = obj; p && (elem in p); p = p.__proto__)
++protoLevel;
}
catch (e) { // "in" operator throws when param to props() is a string
protoLevel = 0;
}
// Put elem into appropriate category
try {
if ((typeof(obj[elem])) == 'function')
methods[protoLevel].push(elem);
else
props[protoLevel].push(elem);
}
catch (e) {
indeterminate[protoLevel].push(elem);
}
}
for (var i=0; i<protoLevels; i++) {
var qual = '';
/*
if (i == 0)
qual = 'User-defined ';
else if (i == 1)
qual = 'Native ';
*/
/*
if (i == 1)
qual = 'Native ';
else
qual = 'User-defined ';
*/
addArrayNS(props[i], qual + 'Properties', slct, obj);
addArrayNS(methods[i], qual + 'Methods', slct, obj);
addArrayNS(indeterminate[i], qual + 'Indeterminate', slct, obj);
}
}
function addArrayNS(arr, header, slct, obj) {
if (arr.length > 0) {
var newOpt = document.createElement('OPTION');
newOpt.name = '(category)';
newOpt.innerHTML = '-------------------- ' + header + ' --------------------';
slct.appendChild(newOpt);
arr = arr.sort();
for (var i=0; i<arr.length; ++i) {
newOpt = document.createElement('OPTION');
try {
newOpt.name = arr[i];
if (arr[i] == 'innerHTML')
newOpt.innerHTML = 'innerHTML = [Not shown]';
else {
var tn;
if (obj[arr[i]].toString().indexOf('function ') == 1) {
var fv = obj[arr[i]].toString();
fv = fv.substring(0, fv.indexOf('{') + 1) + ' [...] }';
tn = document.createTextNode(arr[i] + ' = ' + fv);
}
else
tn = document.createTextNode(arr[i] + ' = ' + obj[arr[i]]);
newOpt.appendChild(tn);
}
}
catch (e) {
newOpt.innerHTML = arr[i] + ' = [' + e + ']';
}
slct.appendChild(newOpt);
}
}
}
function selectProp(slct) {
if (slct.selectedIndex == -1)
return;
if (slct[slct.selectedIndex].name == '(category)')
return;
lvls.push(slct[slct.selectedIndex].name);
showProps();
}
function goUp() {
if (lvls.length > 1) {
lvls.length--;
showProps();
}
}
function goBack() {
if (exprHistoryIndex > 0) {
exprHistoryIndex--;
document.forms[0].elements['txtExpr'].value = exprHistory[exprHistoryIndex];
getProps(true);
}
}
function goForward() {
if (exprHistory.length > exprHistoryIndex - 1) {
exprHistoryIndex++;
document.forms[0].elements['txtExpr'].value = exprHistory[exprHistoryIndex];
getProps(true);
}
}
function showProps() {
var s = '';
for (var i=0; i<lvls.length; i++) {
if (!isNaN(lvls[i]))
s += '['+lvls[i]+']';
else {
if (s != '')
s += '.';
s += lvls[i];
}
}
document.forms[0].elements['txtExpr'].value = s;
getProps();
}
function browseTo(expr) {
document.forms[0].elements['txtExpr'].value = expr;
document.forms[0].elements['btnGet'].click();
}
function scanCR() {
if (isIE)
if (event.keyCode == 13) {
document.forms[0].elements['btnGet'].click();
return false;
}
}
/////////////////////////////////////////////////////////////////////
document.writeln("\n<html>");
document.writeln("<body bgcolor='#CCCCCC' style='margin:5px' leftmargin='5' rightmargin='5' topmargin='5' bottommargin='5'>");
document.writeln("<form enctype='text/plain' onSubmit='return false'>");
document.writeln("<table id='tblDom' cellpadding='1' cellspacing='0' border='0' width='100%' height='100%'>");
document.writeln(" <tr height='1%'>");
document.writeln(" <td>");
document.writeln(" <table cellpadding='0' cellspacing='0' border='0' width='100%'>");
document.writeln(" <tr valign='top'>");
document.writeln(" <td width='96%' nowrap><input type='text' name='txtExpr' value='document' size='60' style='width:100%' onKeyDown='scanCR()'></td>");
document.writeln(" <td width='1%' nowrap> <input type='submit' name='btnGet' value=' Get ' onClick='getProps()'></td>");
document.writeln(" <td width='1%' nowrap> <input type='button' name='btnUp' value=' Up ' onClick='goUp()'></td>");
document.writeln(" <td width='1%' nowrap> <input type='button' name='btnBack' value=' < ' onClick='goBack()'></td>");
document.writeln(" <td width='1%' nowrap> <input type='button' name='btnForward' value=' > ' onClick='goForward()'></td>");
document.writeln(" </tr>");
document.writeln(" </table>");
document.writeln(" </td>");
document.writeln(" </tr>");
document.writeln(" <tr valign='top' height='*'>");
document.writeln(" <td><select id='evalresult' size='25' style='width:100%; height:100%' onDblClick='selectProp(this)'></select></td>");
document.writeln(" </tr>");
document.writeln(" <tr height='1%'>");
document.writeln(" <td>");
document.writeln(" Quick nav.: <a href='javascript: browseTo(\"window\")'>window</a> ");
document.writeln(" <a href='javascript: browseTo(\"document\")'>document</a> ");
document.writeln(" <a href='javascript: browseTo(\"document.body\")'>body</a> ");
document.writeln(" <a href='javascript: browseTo(\"window.frames\")'>frames</a>");
document.writeln(" </td>");
document.writeln(" </tr>");
document.writeln("</table>");
document.writeln("</form>");
document.writeln("<script language='JavaScript'>");
document.writeln("if (opener) {");
document.writeln(" document.title = 'DOM Browser - ' + opener.document.location.href;");
document.writeln(" getProps();");
document.writeln("}");
document.writeln("else {");
document.writeln(" alert('The referring window has been closed, or you opened this page directly.\\nThis page is intended to be called from a referrer.');");
document.writeln("}");
document.writeln("if (isNS) {");
document.writeln(" window.onresize = handleResizeNS;");
document.writeln(" handleResizeNS();");
document.writeln("}");
document.writeln("if (isOP) {");
document.writeln(" window.onresize = handleResizeOP;");
document.writeln(" handleResizeOP();");
document.writeln("}");
/*
For Mozilla and Opera we need to patch their style implementation.
Mozilla thinks a listbox with style='width:100%' means the listbox width must accommodate
the widest element in the listbox. In fact '100%' should refer to the page width,
meaning the listbox should be as wide as the page. That's how it works for textboxes.
Mozilla furthermore ignores listbox style='height:100%'.
Opera thinks a listbox with style='height:100%' means the listbox height must accommodate
the total # element in the listbox. In fact '100%' should refer to the page height,
meaning the listbox should be as tall as the page. An empty listbox with style='height:100%'
is 1 px. high in Opera!
*/
document.writeln("function handleResizeNS() {");
document.writeln(" document.getElementById('evalresult').style.width = document.body.offsetWidth + 'px';");
document.writeln(" document.getElementById('evalresult').style.height = window.innerHeight-70 + 'px';");
document.writeln("}");
document.writeln("function handleResizeOP() {");
document.writeln(" document.getElementById('evalresult').style.width = document.body.offsetWidth-20 + 'px';");
document.writeln(" document.getElementById('evalresult').style.height = window.innerHeight-90 + 'px';");
document.writeln("}");
document.writeln("</script>");
document.writeln("</body>");
document.writeln("</html>");