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How to know that a string starts/ends with a specific string in jQuery?
...ould be useless so you should better use
var str = "Hello World";
window.alert("Starts with Hello ? " + /^Hello/i.test(str));
window.alert("Ends with Hello ? " + /Hello$/i.test(str));
as the match() method is deprecated.
PS : the "i" flag in RegExp is optional and stands for case insen...
Detecting value change of input[type=text] in jQuery
...tener like this:
$("#myTextBox").on("change paste keyup", function() {
alert($(this).val());
});
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How to edit a JavaScript alert box title?
I'm generating a JavaScript alert with following code in C# .NET page:
11 Answers
11
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What does the JSLint error 'body of a for in should be wrapped in an if statement' mean?
...] = "foo";
myarray.push("bar");
myarray[150] = "baz";
myarray.push("qux");
alert(myarray.length);
for(i in myarray){
if(myarray.hasOwnProperty(i)){
alert(i+" : "+myarray[i]);
}
}
Perhaps not the best usage of an array, but just an illustration that things are not always clearcut....
is not JSON serializable
...used/viewed straightly in the browser)
import json
from xxx.models import alert
from django.core import serializers
def test(request):
alert_list = alert.objects.all()
tmpJson = serializers.serialize("json",alert_list)
tmpObj = json.loads(tmpJson)
return HttpResponse(json.dumps(t...
Twitter Bootstrap alert message close and open again
I have a problem with alert messages. It is displayed normally, and I can close it when the user presses x (close), but when the user tries to display it again (for example, click on the button event) then it is not shown. (Moreover, if I print this alert message to console, it is equal to [] .) ...
jQuery object equality
...
If you still don't know, you can get back the original object by:
alert($("#deviceTypeRoot")[0] == $("#deviceTypeRoot")[0]); //True
alert($("#deviceTypeRoot")[0] === $("#deviceTypeRoot")[0]);//True
because $("#deviceTypeRoot") also returns an array of objects which the selector has select...
How can I detect if a selector returns null?
...
if ( $("#anid").length ) {
alert("element(s) found")
}
else {
alert("nothing found")
}
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follo...
javascript function leading bang ! syntax
...rse.
Edit: How about something crazy like delete?
delete function() {
alert("Hi!");
}();
or void?
void function() {
alert("Hi!");
}();
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HTML tag want to add both href and onclick working
...d then go on to the website.
$("#myHref").on('click', function() {
alert("inside onclick");
window.location = "http://www.google.com";
});
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<a href="#" id="myHref">Click me</a&g...