<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmlns="http://www.w3.org/1999/xhtml"><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8" /><title>我們互動(dòng)下</title><script type="text/javascript">document.write("JS進(jìn)階篇");function onealert(){? ? alert("關(guān)注JS高級篇");}? ??</script></head><body><br/><input name="button" type="button" onClic="onealert()" value="點(diǎn)擊出現(xiàn)警告"/></body></html>
我點(diǎn)擊 按鈕，為什么不彈出警告信息？
黃志明
2016-03-22 15:24:09
