4.className用法
例 4.1(keyIEFF.html)
“http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd”>
function calc(thistextar, Span) {
var len = thistextar.value.length;
Span.innerHTML = len + ‘ 字’;
Span.className = ‘toredC’;
}
color: #FF0000;
}
–>
(字数)
更多请见:https://blog.csdn.net/_/article/details/
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