我是一个相当新的JavaScript,我试图做一个脚本来获得一个柔和的颜色变化,但是当一个调用objetc被改变时,我遇到了一些问题。我的代码是这样的:无法读取null的属性样式?
<script lenguage="javascript">
hexadecimal = new Array("0","1","2","3","4","5","6","7","8","9","A","B","C","D","E","F")
function convierteHexadecimal(num){
var hexaDec = Math.floor(num/16)
var hexaUni = num - (hexaDec * 16)
return hexadecimal[hexaDec] + hexadecimal[hexaUni]
}
function convierteHexadecimal(num){
var hexaDec = Math.floor(num/16)
var hexaUni = num - (hexaDec * 16)
return hexadecimal[hexaDec] + hexadecimal[hexaUni]
}
color_decimal=0
function degradado(){
color_decimal ++
color_hexadecimal = convierteHexadecimal(color_decimal)
document.getElementById("title").style.color = color_hexadecimal + color_hexadecimal + color_hexadecimal
//la llamo con un retardo
if (color_decimal < 255)
setTimeout("degradado()",1)
}
degradado()
这是我的代码,但是当我在Chrome加载它,一个问题出现在:
document.getElementById("title").style.color
我的H1是:
<h1 align="center" id="title">Degradando...</h1>
我注意到该ID是正确写入,那么,这是什么问题?
请确保您的Javascript正在加载DOM元素后运行。 – Barmar