elements[i].value.replace(/^\s+|\s+$/g,"") == ""中的"/^\s+|\s+$/g"是什么意思/
peppi 2002-11-01 08:13:03 实在看不懂,还有/^text/.test(o[i].name)&&!/\S/.test(o[i].value)
这两个都是if()里的判断条件,实现的功能是一样的,但我实在看不懂,
"^","text",".test()","o[i]","!/\s","|\s","$/g","replace()"
希望能帮我解释解释,详细些.