尝试使其变为“ Taso 1”(第1阶段)时,它将在主菜单上显示第2阶段。尝试使用样式不透明和显示,但始终返回错误
Cannot read property 'style' of null at column 4
第4列:
var jepulis = document.getElementById("je").style.opacity = "0.0";
这是我试图通过阶段1显示的我的阶段2超链接
<a href="Taso2.html" id="je">Taso 2</a><br>
进入第1阶段时,它将激活joo()
function joo(){
jepulis.style.opacity = "1";
}
很抱歉,如果解释混乱,如果某些部分不清楚,请随时提出问题。
答案 0 :(得分:0)
您的问题是
v2 <- na.omit(v1)
stack(setNames(as.person(v2)$email, v2))[2:1]
# ind values
#1 Persons Name <personsemail@email.com> personsemail@email.com
#2 person 2 <person2@email.com> person2@email.com
#3 Random Name <randomname@email.com> randomname@email.com
您现在想做的是 document.getElementById(“ je”)。style.opacity =“ 0.0” .style.opacity =“ 1”; 并不能像解决您的问题那样
func = scipy.interpolate.interp2d(x,y,yy)
arr = func(new_xx,new_yy)
现在您的功能joo可以工作了
答案 1 :(得分:0)
在此处具有完整的代码将很有帮助,但是使用Chrome / Firefox开发人员控制台/工具将帮助您学习并找出问题所在。您可以逐行运行函数,看看问题出在哪里。就您而言,它看起来像:
R1=K+sqrt(K.^2-1);
R2=K-sqrt(K.^2-1);
if abs(R1)<1
r=R1;
else
r=R2;
end
是您想要的,然后在函数调用中设置不透明度,但是很难准确分辨。在Mac上按real imaginer
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,或在var jepulis = document.getElementById("je");
上按一下,您可以在其中逐行粘贴函数中的正文以诊断发生了什么。希望有帮助。
答案 2 :(得分:0)
不要将“”设置为不透明,它是一个整数值,而不是字符串
<a href="Taso2.html" id="je">Taso 2</a>
var elem = document.getElementById('je');
elem.style.color = 'red';
elem.style.opacity=1;