的结果上循环
我需要使用其ID
更改我的特定对象字体家族有什么建议我如何做?
<script>
var day = new Date();
var today = day.getDate();
var lys = today * 16;
var heode = 505 - lys;
if (today == 24){
document.getElementById("chistmas").innerHTML ="Merry Christmas"
}
else {
let remainingdays = 24 - today;
document.getElementById("chistmas").innerHTML = "there are " + remainingdays + " days until christmas"
}
document.getElementsByClassName("light")[0].style.height=heode+"px"
</script>
您可以做以下类似的事情:
document.getElementById("chistmas").innerHTML ="<label style='font-family:Arial, Helvetica, sans-serif'>Merry Christmas</label>"
或,
label.yourClassName {
font-family: "Times New Roman", Times, serif;
}
document.getElementById("chistmas").innerHTML ="<label class='yourClassName'>Merry Christmas</label>"
如果您知道选择器只能匹配一个类:
document.getElementsByClassName("className")[0].style.fontFamily = "New Font Family";
如果您需要修改多个元素,则需要在document.getElementsByClassName("className")