![](https://img.laitimes.com/img/__Qf2AjLwojIjJCLyojI0JCLicmbw5SOmFWM3YDZhRTM1M2NxADNwgDMjdjMykjYhdzNhlTO48CX0JXZ252bj91Ztl2Lc52YucWbp5GZzNmLn9Gbi1yZtl2Lc9CX6MHc0RHaiojIsJye.png)
尚方寶劍之說
您隻修改現有節點。如果您希望新節點采用這些規則,隻需建構一個動态添加或更新css節點的javascript函數function changeSize(v){
var css = [
".message-computer p, .message-user p {font-size: "+v+"em;}"
].join("");
var head = document.head || document.getElementsByTagName('head')[0];
var style = null;
if(!document.getElementById("customTextSize"))
{
style = document.createElement('style');
style.id = "customTextSize";
style.type = 'text/css';
style.appendChild(document.createTextNode(css));
head.appendChild(style);
}
else
{
style = document.getElementById("customTextSize");
style.removeChild(style.firstChild);
style.appendChild(document.createTextNode(css));
}}在你的改變上隻需調用函數: changeSize(v)