window.onload = raknaUtMedelvarde;
function raknaUtMedelvarde(){
var tabell = document.getElementById("temperaturtabell");
var rader = tabell.getElementsByTagName("tr");
for (var i = 0; i < rader.length; i++){
var tabellceller = rader[i].getElementsByTagName("td");
//alert(tabellceller.length);
//räkna ut medelvärde
var medel = medelVarde(tabellceller);
//alert(medel);
var medelText = document.createTextNode(medel);
var medelElement = tabellceller [tabellceller.length - 1];
medelElement.appendChild(medelText);
}
}
function medelVarde(celler){
var summa = 0;
for (var i = 1; i < celler.length - 1; i++){
var nuvarandeVarde = celler[i].firstChild.nodeValue;
summa = summa + parseInt(nuvarandeVarde);
}
return summa / 5;
}
// code behind "visa värde" (show the value)
//I think here somewhre is the problem?
function hitta(){
var varde = parseInt(document.getElementById("varde").value);
var tabell = document.getElementById("temperaturtabell");
var rader = tabell.getElementsByTagName("tr");
for ( var i = 0; i < rader.length; i++){
var tabellceller = rader[i].getElementsByTagName("td");
// checkpoint to see is the values is >= then the enter value
if(haVarde (varde, tabellceller))
rader[i].className = "emp";
}
}
// boolean method to check the value
function haVarde(varde, celler){
var harVarde = false;
var sum = 0;
for (var i = 1; i = celler.length -1; i++){
var nuvarandevarde = parseInt(celler[i].firstChild.nodeValue);
if ( nuvarandevarde >= varde)
{
harVarde = true;
celler[i].className = "emptd";
}
}
return harVarde;
}
你好!
我正在编写这段代码。此刻我尝试用表中的总数据检查该值。 FF 开始崩溃有点像说..我有问题不知道在哪里请查看消息:http://dl.dropbox.com/u/3632213/what.jpg ...mm,mm 无法理解消息...任何建议都欢迎! :)
最佳答案
这一行:
for (var i = 1; i = celler.length -1; i++){
会导致死循环。
你的意思可能是 <= ?
关于javascript - firefoxs 几乎因这段代码而崩溃。它似乎有效但不是真的,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/5868353/