html⾥⼩数点代码，在HTML中对齐⼩数点参见
this article by Krijn Hoetmer您的选项和如何实现这⼀点。这个解决⽅案的本质是使⽤CSS和JS来实现这⼀点：
(function() {
var currencies = /(\$|€|€)/;
var leftWidth = 0, rightWidth = 0;
for(var tableCounter = 0, tables = ElementsByTagName("table");
tableCounter < tables.length; tableCounter++) {
if(tables[tableCounter].className.indexOf("fix-align-char") != -1) {
var fCols = [], leftPart, rightPart, parts;
for(var i = 0, cols = tables[tableCounter].getElementsByTagName("col"); i < cols.length; i++) {
if(cols[i].getAttribute("char")) {
fCols[i] = cols[i].getAttribute("char");
}
}
for(var i = 0, trs = tables[tableCounter].rows; i < trs.length; i++) {
for(var j = 0, tds = trs[i].getElementsByTagName("td"); j < tds.length; j++) {
if(fCols[j]) {
if(tds[j].innerHTML.indexOf(fCols[j]) != -1) {
parts = tds[j].innerHTML.split(fCols[j]);
leftPart = parts.slice(0, parts.length -1).join(fCols[j]);
html里的float是什么意思
leftPart = place(currencies, "$1");
rightPart = fCols[j] + parts.pop();
tds[j].innerHTML = "" + leftPart + "" + rightPart + "";
} else {
tds[j].innerHTML = tds[j].place(currencies, "$1");
tds[j].innerHTML = "" + tds[j].innerHTML + "";
}
tds[j].className = "char-align";
var txt = ateTextNode(tds[j].firstChild.offsetWidth);
if(leftWidth < tds[j].firstChild.offsetWidth) {
leftWidth = tds[j].firstChild.offsetWidth;
}
if(tds[j].childNodes[1]) {
txt = ateTextNode(tds[j].childNodes[1].offsetWidth);
if(rightWidth < tds[j].childNodes[1].offsetWidth) {
rightWidth = tds[j].childNodes[1].offsetWidth;
}
}
}
}
}
}
}
// This is ugly and should be improved (amongst other parts of the code ;)
var styleText = "\n" +
"
" .fix-align-char td.char-align { width: " + (leftWidth + rightWidth) + "px; }\n" +
" .fix-align-char span.left { float: left; text-align: right; width: " + leftWidth + "px; }\n" + " .fix-align-char span.currency { text-align: left; float: left; }\n" +
" .fix-align-char span.right { float: right; text-align: left; width: " + rightWidth + "px; }\n" + "\n";
document.body.innerHTML += styleText;
})();
table {
border-collapse: collapse;
width: 600px;
}
th {
padding: .5em;
background: #eee;
text-align: left;
}
td {
padding: .5em;
}
#only-css td.char-align {
width: 7em;
}
#only-css span.left {
float: left;
width: 4em;
text-align: right;
}
#only-css span.currency {
float: left;
width: 2em;
text-align: left;
}
#only-css span.right {
float: right;
width: 3em;
text-align: left;
}
NumberDescriptionCosts
1Lorem ipsum dolor sit amet
$3
,99
2Consectetuer adipiscing elit $13
,95
3Pellentesque fringilla nisl ac mi $4
4Aenean egestas gravida magna $123
,999

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