After following, you can keep track of his dynamic information in a timely manner
Courses in the relevant section：Float: Why can't it be used directly for comparison?
$a = 1.00001; $b = 1.00002; if($a=$b) { echo "相等"; } else { echo "不相等"; } echo "<br/>--------------------------------"; $a = 1.00001; $b = 1.00002; if($a==$b) { echo "相等"; } else { echo "不相等"; } 這樣比較就很神奇了
2019-04-080個贊
小兄弟，當(dāng)你開發(fā)微信公眾公眾號，關(guān)鍵詞回復(fù)，事件處理的時候，你就知道回調(diào)函數(shù)有多么有用，可以省去N多代碼
2019-04-080個贊
