& lt李?class=\"pli \" >& ltspan & gtphp & lt/span>。& ltul?class=\"son \" >& lt李& gtPHP 1 & l" />
/*自己編風格*/
。父母?。子{顯示:?無;}
& lt/style & gt;
& ltul?class="parent " >
& lt李?class="pli " >
& ltspan & gtphp & lt/span>。
& ltul?class="son " >
& lt李& gtPHP 1 & lt;/李& gt
& lt李& gtPHP 1 & lt;/李& gt
& lt/ul & gt;
& lt/李& gt
& lt李?class="pli " >
& ltspan & gtphp & lt/span>。
& ltul?class="son " >
& lt李& gtPHP 1 & lt;/李& gt
& lt李& gtPHP 1 & lt;/李& gt
& lt/ul & gt;
& lt/李& gt
& lt李?class="pli " >
& ltspan & gtphp & lt/span>。
& ltul?class="son " >
& lt李& gtPHP 1 & lt;/李& gt
& lt李& gtPHP 1 & lt;/李& gt
& lt/ul & gt;
& lt/李& gt
& lt李?class="pli " >
& ltspan & gtphp & lt/span>。
& ltul?class="son " >
& lt李& gtPHP 1 & lt;/李& gt
& lt李& gtPHP 1 & lt;/李& gt
& lt/ul & gt;
& lt/李& gt
& lt李?class="pli " >
& ltspan & gtphp & lt/span>。
& ltul?class="son " >
& lt李& gtPHP 1 & lt;/李& gt
& lt李& gtPHP 1 & lt;/李& gt
& lt/ul & gt;
& lt/李& gt
& lt/ul & gt;var?pli?=?document.querySelectorAll("。父母?。pli?span”);
for(var?我?=?0;我& ltpli .長度;i++){
pli[i]。指數?=?我;
pli[i]。onclick?=?函數(){
for(var?j?=?0;j & ltpli .長度;j++){
document.querySelectorAll("。父母?。pli?。son ")[j]. style . display = " none ";
}
this.parentNode.querySelector("。son "). style . display = " block ";
}
}