大约有 10,000 项符合查询结果（耗时：0.0144秒） [XML]
onsubmit阻止表单提交 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
<script language="javascript">
//--->
function checksubmit()
{
if (document.form1.myname.value=="")
{
alert("请输入开始数值！");
document.form1.myname.focus();
return ...
How to change href of tag on button click through javascript
...ow to change the href attribute value of an <a/> tag through Javascript on button click ?
7 Answers
...
How to find keys of a hash?
I know in javascript Objects double as hashes but i have been unable to find a built in function to get the keys
9 Answers...
best way to get the key of a key/value javascript object
...You would iterate inside the object with a for loop:
for(var i in foo){
alert(i); // alerts key
alert(foo[i]); //alerts key's value
}
Or
Object.keys(foo)
.forEach(function eachKey(key) {
alert(key); // alerts key
alert(foo[key]); // alerts value
});
...
Find out whether radio button is checked with JQuery?
...('#element').click(function() {
if($('#radio_button').is(':checked')) { alert("it's checked"); }
});
share
|
improve this answer
|
follow
|
...
Run php script as daemon process
I need to run a php script as daemon process (wait for instructions and do stuff). cron job will not do it for me because actions need to be taken as soon as instruction arrives. I know PHP is not really the best option for daemon processes due to memory management issues, but due to various reasons...
Get a CSS value with JavaScript
I know I can set a CSS value through JavaScript such as:
9 Answers
9
...
Do something if screen width is less than 960 px
... screen width is less than 960 pixels? The code below always fires the 2nd alert, regardless of my window size:
10 Answers...
Should I delete the cgi-bin folder in a subdomain I just created?
...
cgi-bin historically was the only place where executable or script code (binaries, shell scripts, etc.) could be stored. It is mostly a historic relic since most hosts allow execution of scripts from anywhere.
...
How to create local notifications?
...l notifications so that at the time I set, my app generates a notification/alert with a customized message?
8 Answers
...