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Double exclamation points? [duplicate]
...f:
(function typecheck() {
var a = "a";
var b = !a;
var c = !!a;
alert("var a = " + typeof(a) + "\n" +
"var b = " + typeof(b) + "\n" +
"var c = " + typeof(c));
})();
If you are simply doing comparisons, the conversion merely saves you a type coercion later on.
FYI, the f...
Trim spaces from start and end of string
....replace(/([\s]+)/g, '-'); // Replace remaining white space with dashes
}
alert(doSomething(" something with some whitespace "));
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fo...
How to format a phone number with jQuery
... ph.replace(/(\d{3})(\d{3})(\d{4})/, '$1-$2-$3'); $(this).val(temp); //alert(temp); });
– Musaddiq Khan
Jan 5 '17 at 13:06
...
Vibrate and Sound defaults on notification
I'm trying to get a default vibrate and sound alert when my notification comes in, but so far no luck. I imagine it's something to do with the way I set the defaults, but I'm unsure of how to fix it. Any thoughts?
...
How can I listen to the form submit event in javascript?
...r elems here
isValid = false;
if (!isValid) {
alert("Please check your fields!");
return false;
}
else {
//you are good to go
return true;
}
}
}
And your form may still look something like:
<form i...
How to use protractor to check if an element is visible?
...ider the case where there is no such element! $('.text-input-input') would alert the user elegantly; this might fail because filteredElement.length === 0?
– The Red Pea
Jan 4 '18 at 2:58
...
WARNING: Can't verify CSRF token authenticity rails
...
error: function( xhr ){
alert("ERROR ON SUBMIT");
},
success: function( data ){
//data response can contain what we want here...
console.log("SUCCESS, data="+data);
}
});
...
jquery save json data object in cookie
...age: 25 }
$.cookie('user', user);
...
var currentUser = $.cookie('user');
alert('User name is ' + currentUser.name);
But JSON library does not come with jquery.cookie, so you have to download it by yourself and include into html page before jquery.cookie.js
...
How can I make the Android emulator show the soft keyboard?
...ther Dialog appears, switch ON the "Sample Soft Keyboard". Here you get an alert about the possibility that keyboard will store everything you write, also passwords. Give OK;
Repeat above steps in order to show "Change Keyboard" Dialog again, here the new option "Sample Soft Keyboard" is available a...
How to remove spaces from a string using JavaScript?
...put.replace(/\s/g, '');
//make string lower
input = input.toLowerCase();
alert(input);
Click here for working example
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