function trim(item) {
worker = new String(item);
if (worker.indexOf(" ") != -1) {
if (worker.indexOf(" ") == 0) {
worker = worker.substring(1,worker.length);
trim(worker);
}
}
if (worker.lastIndexOf(" ") != -1) {
if (worker.lastIndexOf(" ") >= worker.length-1) {
worker = worker.substring(0,worker.length-1);
trim(worker);
}
}
return worker;
}
worker = new String(item);
if (worker.indexOf(" ") != -1) {
if (worker.indexOf(" ") == 0) {
worker = worker.substring(1,worker.length);
trim(worker);
}
}
if (worker.lastIndexOf(" ") != -1) {
if (worker.lastIndexOf(" ") >= worker.length-1) {
worker = worker.substring(0,worker.length-1);
trim(worker);
}
}
return worker;
}
go on
js中有trim吗?
误人子弟
String.prototype.trim = function()
{
// 用正则表达式将前后空格
// 用空字符串替代。
return this.replace(/(^\s*)|(\s*$)/g, "");
}// 有空格的字符串
var s = " leading and trailing spaces ";// 显示 " leading and trailing spaces (35)"
window.alert(s + " (" + s.length + ")");// 删除前后空格
s = s.trim();
// 显示"leading and trailing spaces (27)"
window.alert(s + " (" + s.length + ")");
to c_unknower(c盲)有了吧.不服?