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exercisef5ec.html
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<!DOCTYPE html>
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<head>
<title>Exercise v3.0</title>
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var text = document.getElementById("textareaCode" + n).value;
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answers[exActiveNo].splice((exNo-1), 1, 1);
setAnswerObj("w3exerciseanswers_" + storageBlip + exnames[exActiveNo], answers[exActiveNo].toString(), false);
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errs.push(errortxt);
errortxt = "";
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errortxt = attr[iii].errinvalue;
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if (compare("TAG", tagsinresult[ii], attr[iii].name, attr[iii].invalue, tagsinresult[ii].getAttribute(attr[iii].name), "IN")) {
errortxt = "";
}
}
if (method == "ALL") {
if (errortxt != "") {
errs.push(errortxt);
errortxt = "";
}
} else {
if (errortxt == "") {break;}
}
}
if (errortxt != "") {errs.push(errortxt); }
}
}
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lll = (css ? css.length : 0);
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// errortxt = "";
// }
// }
style = w3_getStyleValue(tagsinresult[ii], css[iii].style);
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errortxt = ""
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errs.push(errortxt);
errortxt = "";
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errortxt = (css[iii].errvalue ? css[iii].errvalue : "");
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errortxt = "";
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if (errortxt != "") {
errs.push(errortxt);
errortxt = "";
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if (errortxt == "") {break;}
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if (errortxt != "") {errs.push(errortxt); }
}
if (css[iii].invalue) {
errortxt = (css[iii].errinvalue ? css[iii].errinvalue : "");
for (ii = 0; ii < ll; ii++) {
if (method == "ALL") {
errortxt = (css[iii].errinvalue ? css[iii].errinvalue : "");
}
style = w3_getStyleValue(tagsinresult[ii], css[iii].style);
if (compare("STYLE", tagsinresult[ii], css[iii].style, css[iii].invalue, style, "IN")) {
errortxt = "";
}
if (method == "ALL") {
if (errortxt != "") {
errs.push(errortxt);
errortxt = "";
}
} else {
if (errortxt == "") {break;}
}
}
if (errortxt != "") {errs.push(errortxt); }
}
}
}
if (tag[i].order) {
if (checkOrder(tag[i].order, container) == -1) {
errs.push(tag[i].errorder);
}
}
}
}
function checkStyle(elmnt, parent) {
var tag, a, b, container, stylesheets, ruls, rules = [], i, ii, iii, iiii, l, ll, lll, llll, j, jj, errortxt, errstyletxt, errvaluetxt, cc, ccArr = [], ccArr2 = [], nn;
tag = elmnt;
container = parent;
l = (tag ? tag.length : 0);
for (i = 0; i < l; i++) {
stylesheets = container.styleSheets;
ll = stylesheets.length;
if (tag[i].selector) {
errortxt = (tag[i].errselector ? tag[i].errselector : "");
errstyletxt = "";
errvaluetxt = "";
errinvaluetxt = "";
for (ii = 0; ii < ll; ii++) {
ruls = stylesheets[ii].cssRules;
for (iii = 0; iii < ruls.length; iii++) {
rules.push(ruls[iii])
}
for (iii = 0; iii < rules.length; iii++) {
if ((rules[iii].type == 1 && rules[iii].selectorText.indexOf(tag[i].selector.toLowerCase()) > -1)
|| (rules[iii].type == 5 && tag[i].selector.toLowerCase() == "@font-face")
|| (rules[iii].type == 7 && tag[i].selector.toLowerCase() == "@keyframes")
|| (rules[iii].type == 8 && tag[i].selector.toLowerCase() == rules[iii].keyText)) {
errortxt = "";
if (rules[iii].type == 7) {
for (iiii = 0; iiii < rules[iii].cssRules.length; iiii++) {
rules.push(rules[iii].cssRules[iiii]);
}
continue;
}
styles = rules[iii].style;
llll = styles.length;
errstyletxt = (tag[i].errstyle ? tag[i].errstyle : "");
for (iiii = 0; iiii < llll; iiii++) {
ss = styles[iiii];
//console.log(tag[i].style + " ### " + ss);
if (ss == "text-decoration-color" || ss == "text-decoration-line" || ss == "moz-text-decoration-color" || ss == "moz-text-decoration-line" || ss == "moz-text-blink") {
continue;
}
if (ss == "text-decoration-style" || ss == "moz-text-decoration-style") {ss = "text-decoration"; }
if (compare("", "", "", tag[i].style, ss)) {
errstyletxt = "";
errvaluetxt = (tag[i].errvalue ? tag[i].errvalue : "");
errinvaluetxt = (tag[i].errinvalue ? tag[i].errinvalue : "");
/*
cc = styles.cssText
console.log(tag[i].style + " " + cc)
cc = cc.substr(cc.indexOf(ss),cc.indexOf(";", cc.indexOf(ss)));
cc = cc.replace(ss + ": ","");
cc = cc.replace(ss + ":","");
if (cc.indexOf(";") == (cc.length - 1)) {cc = cc.substr(0,(cc.length - 1)); }
*/
ccArr = styles.cssText.split(";");
for (j = 0; j < ccArr.length; j++) {
a = w3_trim(ccArr[j].substr(0, ccArr[j].indexOf(":")))
b = w3_trim(ccArr[j].substr(ccArr[j].indexOf(":") + 1))
//console.log(a + " ### " + b);
if (tag[i].style == a) {
cc = b;
break;
}
if (tag[i].style.substr(0, 11) == "background-" && a == "background") {
ccArr = b.split(" ");
cc = ccArr[0];
break;
}
//ccArr2 = ccArr[j].split(":");
//for (jj = 0; jj < ccArr2.length; jj++) {
// if (tag[i].style == w3_trim(ccArr2[0])
// || (tag[i].style.substr(0, 11) == "background-" && w3_trim(ccArr2[0]) == "background")) {
// cc = w3_trim(ccArr2[1]);
// }
//}
}
if (tag[i].value) {
if (compare("", "", styles[iiii], tag[i].value, cc)) {
errvaluetxt = "";
break
}
}
if (tag[i].invalue) {
if (compare("", "", styles[iiii], tag[i].invalue, cc, "IN")) {
errinvaluetxt = "";
break
}
}
}
}
if (errstyletxt != "") {errortxt = errstyletxt; }
if (errvaluetxt != "") {errortxt = errvaluetxt; }
if (errinvaluetxt != "") {errortxt = errinvaluetxt; }
}
}
if (errortxt == "") {break;}
}
}
if (errortxt != "") {errs.push(errortxt); }
}
}
function getElements(elements, obj, collectiontype) {
var tagNames, resultArray = [], i, tags, j;
if (!obj) var obj = document;
tagNames = elements.split('|');
for (i = 0; i < tagNames.length; i++) {
if (collectiontype == "classname") {
tags = obj.getElementsByClassName(tagNames[i]);
} else if (collectiontype == "queryselector") {
tags = obj.querySelectorAll(tagNames[i]);
} else {
tags = obj.getElementsByTagName(tagNames[i]);
}
for (j = 0; j < tags.length; j++) {
resultArray.push(tags[j]);
}
}
return resultArray;
}
function checkOrder(elements, obj) {
var stat = "OK", tagNames, tags, j, i, x;
if (!obj) var obj = document;
tagNames = elements.split(',');
for (i = 0; i < tagNames.length - 1; i++) {
try {
x = obj.getElementsByTagName(tagNames[i])[0].compareDocumentPosition(obj.getElementsByTagName(tagNames[i+1])[0]);
} catch (er) {
stat = -1;
break;
}
if (x != 4) {
stat = -1;
break;
}
}
return stat;
}
function compare(a, tag, prop, xx, y, typ) {
var comp, oper, valueARR = [], i, x, hit, margin = 0;
valueARR = xx.split("|");
hit = false;
for (i = 0; i < valueARR.length; i++) {
x = valueARR[i];
comp = "LIKE";
if (x.substr(0,1) == "!") {
comp = "NOT LIKE";
x = x.substr(1);
}
oper = "=";
if (x.substr(0,2) == "<=") {
oper = "<=";
x = x.substr(2);
}
if (x.substr(0,1) == "<") {
oper = "<";
x = x.substr(1);
}
if (x.substr(0,2) == ">=") {
oper = ">=";
x = x.substr(2);
}
if (x.substr(0,1) == ">") {
oper = ">";
x = x.substr(1);
}
if (prop.indexOf("color") > -1 ) {
x = convert_cssColor(x);
y = convert_cssColor(y);
}
if (prop.indexOf("font-size") > -1 ) {
x = convert_cssFontSize(x);
y = convert_cssFontSize(y);
}
if (prop.indexOf("background") > -1 && x.indexOf("linear-gradient") > -1 ) {
x = convert_cssGradient(tag, x);
y = convert_cssGradient(tag, y);
}
if (prop.indexOf("background") > -1 && x.indexOf("radial-gradient") > -1 ) {
x = convert_cssGradient(tag, x);
y = convert_cssGradient(tag, y);
}
if (prop == "transform") {
x = convert_cssTransform(tag, x);
y = convert_cssTransform(tag, y);
}
if (prop.indexOf("transition-timing-function") > -1) {
x = convert_cssTransitionTiming(tag, x);
y = convert_cssTransitionTiming(tag, y);
}
if (prop.indexOf("animation-timing-function") > -1) {
x = convert_cssAnimationTiming(tag, x);
y = convert_cssAnimationTiming(tag, y);
}
if (prop.indexOf("text-shadow") > -1) {
x = convert_cssTextShadow(tag, x);
y = convert_cssTextShadow(tag, y);
}
if (prop.indexOf("box-shadow") > -1) {
x = convert_cssBoxShadow(tag, x);
y = convert_cssBoxShadow(tag, y);
}
if (prop.indexOf("opacity") > -1 ) {
x = Number(x).toFixed(2);
y = Number(y).toFixed(2);
}
if (a == "STYLE" && prop == "font-weight") {
x = convert_cssFontWeight(tag, x);
y = convert_cssFontWeight(tag, y);
}
if (a == "STYLE" && prop == "width" && tag.tagName != "IMG") {
feilmargin = 0;
x = convert_cssSize(tag, x, prop);
y = convert_cssSize(tag, y, prop);
margin = 2 + feilmargin;
}
if ((prop == "border-top-width"
|| prop == "border-right-width"
|| prop == "border-bottom-width"
|| prop == "border-left-width"
|| prop == "outline-width"
|| prop == "width"
|| prop == "height") && y.substr(y.length - 2, 2) == "px") {
y = y.replace("px", "");
if (Number(y)) {
y = Math.ceil(y);
}
y = y + "px";
}
if (blueprint == "OK") {
bptxt += "<p>" + a + ": " + tag + "<br>Test for " + prop + "<br>Your code: " + y + "<br>Correct code: " + x + "</p>";
document.getElementById("blueprint").innerHTML = bptxt;
}
if (typ == "IN") {
if (y.toLowerCase().indexOf(x.toLowerCase()) > -1) {
if (comp == "NOT LIKE") {
return false;
} else {
return true;
}
} else {
if (comp == "NOT LIKE") {
hit = true;
} else {
hit = false;
}
}
} else {
if (margin != 0) {
if (Number(y.replace("px","")) < (Number(x.replace("px","")) + margin) && Number(y.replace("px","")) > ((Number(x.replace("px","")) - margin))) {
if (comp == "NOT LIKE") {
return false;
} else {
return true;
}
} else {
if (comp == "NOT LIKE") {
hit = true;
} else {
hit = false;
}
}
} else {
if (oper == "=") {
if (y.toLowerCase() == x.toLowerCase()) {
if (comp == "NOT LIKE") {
return false;
} else {
return true;
}
} else {
if (comp == "NOT LIKE") {
hit = true;
} else {
hit = false;
}
}
}
if (oper == "<") {
if (y < x) {
if (comp == "NOT LIKE") {
return false;
} else {
return true;
}
} else {
if (comp == "NOT LIKE") {
hit = true;
} else {
hit = false;
}
}
}
if (oper == "<=") {
if (y <= x) {
if (comp == "NOT LIKE") {
return false;
} else {
return true;
}
} else {
if (comp == "NOT LIKE") {
hit = true;
} else {
hit = false;
}
}
}
if (oper == ">") {
if (y > x) {
if (comp == "NOT LIKE") {
return false;
} else {
return true;
}
} else {
if (comp == "NOT LIKE") {
hit = true;
} else {
hit = false;
}
}
}
if (oper == ">=") {
if (y >= x) {
if (comp == "NOT LIKE") {
return false;
} else {
return true;
}
} else {
if (comp == "NOT LIKE") {
hit = true;
} else {
hit = false;
}
}
}
}
}
}
return hit;
}
function convert_cssColor(color) {
var doc = document.createElement('div');
doc.style.backgroundColor = color;
document.body.appendChild(doc);
return w3_getStyleValue(doc, "background-color");
}
function convert_cssFontSize(size) {
var doc = document.createElement('div');
doc.style.fontSize = size;
document.getElementById("iframeResult").contentWindow.document.body.appendChild(doc);
return w3_getStyleValue(doc, "font-size");
}
/*function convert_cssSize(tag, size, p) {
var rv, doc = document.createElement(tag.tagName);
if (p == "width") {doc.style.width = size; }
if (p == "height") {doc.style.height = size; }
tag.parentNode.insertBefore(doc, tag);
rv = w3_getStyleValue(doc, p);
tag.parentNode.removeChild(doc);
return rv
}*/
function convert_cssSize(tag, size, p) {
var rv, doc = document.createElement(tag.tagName);
//doc = tag.cloneNode(true);
if (p == "width") {
feilmargin += calc_feilmargin(tag, "border-left-width");
feilmargin += calc_feilmargin(tag, "border-right-width");
feilmargin += calc_feilmargin(tag, "padding-left");
feilmargin += calc_feilmargin(tag, "padding-right");
doc.style.width = size;
}
if (p == "height") {
feilmargin += calc_feilmargin(tag, "border-top-width");
feilmargin += calc_feilmargin(tag, "border-bottom-width");
feilmargin += calc_feilmargin(tag, "padding-top");
feilmargin += calc_feilmargin(tag, "padding-bottom");
doc.style.height = size;
}
tag.parentNode.insertBefore(doc, tag);
rv = w3_getStyleValue(doc, p);
tag.parentNode.removeChild(doc);
return rv
}
function convert_cssGradient(tag, size, p) {
var rv, doc = document.createElement(tag.tagName);
doc.style.backgroundImage = size;
tag.parentNode.insertBefore(doc, tag);
rv = w3_getStyleValue(doc, "background-image");
tag.parentNode.removeChild(doc);
return rv
}
function convert_cssTransform(tag, size, p) {
var rv, doc = document.createElement(tag.tagName);
doc.style.transform = size;
tag.parentNode.insertBefore(doc, tag);
rv = w3_getStyleValue(doc, "transform");
tag.parentNode.removeChild(doc);
return rv
}
function convert_cssTransitionTiming(tag, size, p) {
var rv, doc = document.createElement(tag.tagName);
doc.style.transitionTimingFunction = size;
tag.parentNode.insertBefore(doc, tag);
rv = w3_getStyleValue(doc, "transition-timing-function");
tag.parentNode.removeChild(doc);
return rv
}
function convert_cssAnimationTiming(tag, size, p) {
var rv, doc = document.createElement(tag.tagName);
doc.style.animationTimingFunction = size;
tag.parentNode.insertBefore(doc, tag);
rv = w3_getStyleValue(doc, "animation-timing-function");
tag.parentNode.removeChild(doc);
return rv
}
function convert_cssTextShadow(tag, size, p) {
var rv, doc = document.createElement(tag.tagName);
doc.style.textShadow = size;
tag.parentNode.insertBefore(doc, tag);
rv = w3_getStyleValue(doc, "text-shadow");
tag.parentNode.removeChild(doc);
return rv
}
function convert_cssBoxShadow(tag, size, p) {
var rv, doc = document.createElement(tag.tagName);
doc.style.boxShadow = size;
tag.parentNode.insertBefore(doc, tag);
rv = w3_getStyleValue(doc, "box-shadow");
tag.parentNode.removeChild(doc);
return rv
}
function convert_cssFontWeight(tag, size, p) {
var rv, doc = document.createElement(tag.tagName);
doc.style.fontWeight = size;
tag.parentNode.insertBefore(doc, tag);
rv = w3_getStyleValue(doc, "font-weight");
tag.parentNode.removeChild(doc);
return rv
}
function calc_feilmargin(tag, cssprop) {
var cssvalue = w3_getStyleValue(tag, cssprop);
cssvalue = cssvalue.replace("px", "");
return (Number(cssvalue) || 0);
}
}
function w3_getStyleValue(elmnt,style) {
if (window.getComputedStyle) {
return window.getComputedStyle(elmnt,null).getPropertyValue(style);
} else {
return elmnt.currentStyle[style];
}
}
function w3_trim(x) {
return x.replace(/^\s+|\s+$/gm,'')
}
var validHTML = function (html) {
var doc = document.createElement('html');
if (html.toLowerCase().indexOf("<head>") == -1) {
html = "<head></head>" + html;
}
html = html.replace("<!DOCTYPE html>","");
html = html.replace("<html>","");
html = html.replace("</html>","");
html = html.trim();
doc.innerHTML = html;
return ( doc.innerHTML.toLowerCase() === html.toLowerCase() );
}
function codeCheckWarningClose() {
document.getElementById("codeCheckWarning").style.display = "none";
}
function codeCheckCorrectClose() {
document.getElementById("codeCheckCorrect").style.display = "none";
}
</script>
<style>
.hintBtn {
border:none;
background-color:#f0ad4e;
padding:5px 10px;
color:#ffffff;
font-size:16px;
border-radius:4px;
margin-bottom:12px;
cursor:pointer;
position:absolute;
}
.hintBtn:hover {
background-color:#ec971f;
}
#hint {
visibility:hidden;
}
#codeCheckWarning {
display:none;
position: absolute;
z-index:1;
right: 25px;
top: 120px;
color: #b94a48;
xxxtext-shadow: 0 1px 0 rgba(255, 255, 255, 0.5);
background-color: #f2dede;
background-color: #F3ECEA;
border-radius:5px;
xxxborder: 1px solid #eed3d7;
}
#closeCodeCheckWarning, #closeCodeCheckCorrect {
float:right;
padding: 5px 10px 0 0;
color: inherit;
cursor: pointer;
font-size:20px;
}
.checkText {
padding:20px 30px;
}
#codeCheckCorrect {
display:none;
position: absolute;
right: 25px;
top: 120px;
color: #04AA6D;
xxtext-shadow: 0 1px 0 rgba(255, 255, 255, 0.5);
background-color: #dff0d8;
background-color: #D9EEE1;
border-radius:5px;
xxborder: 1px solid #d6e9c6;
}
#iframeResult,#iframeResult2 {
height:100%;
width:100%;
border:none;
background-color:#ffffff;
}
.codecontainer textarea {
font:15px consolas,Menlo,"courier new",monospace;
padding:5px;
}
.codecontainer {
height:99%;
width:100%;
position:relative;
float:left;
height:450px;
}
.codecontainerinner {
position:absolute;
top:0;
height:auto;
width:100%;
height:400px;
}
.resultcontainer {
height:99%;
width:100%;
position:relative;
float:left;
height:450px;
}
.resultcontainerinner {
position:absolute;
top:0;
height:auto;
width:100%;
height:400px;
}
#iframewrapper, #iframewrapper2 {
height:95%;
width:100%;
border:1px solid #d3d3d3;
background-color:#ffffff;
}
#topTD,#topTD2 {
background-color:#ffffff;
padding:20px;
vertical-align:top;
}
#codeTD,#codeTD2 {
height:100%;
padding:20px 20px 20px 20px;
vertical-align:top;
}
.exercisemenu {
font-family:"Segoe UI",Arial,sans-serif;
float:left;
z-index:2;
color:#ffffff;
color:#000;
height:auto;