JS中数组常用的四种循环遍历方式
1.for循环varteam=['zhangfei','liubei','guanyu']; for(vari=0;i<team.length;i++){ console.log(i,team[i]); }2.for in 索引遍历varteam=['zhangfei',&#
TAGS:常用
事件加载、元素选择器及常用属性
元素选择器：document.getElementById("myHeader") document.getElementsByName("myHeader") document.getElementById('myAnchor').innerHTML="W3Schools"; //innerHTML&n
sql常用查询语句
count(*)$sql_page_xy="select count(*) from xy_tk_xueyuan where bianma_dw='".$vv_bianma_dw."' "; $result_page_xy=$mysqli->query($sql_page_x
