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Check element CSS display with JavaScript
...:
if (document.getElementById("elementId").style.display == 'block') {
alert('this Element is block');
}
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Getting JavaScript object key list
... key4: 'value4'
};
var keys = [];
for (var k in obj) keys.push(k);
alert("total " + keys.length + " keys: " + keys);
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bootstrap button shows blue outline when clicked
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Yes, it was the best answer but why it is not accepted on Alert Dismissing cross button
– Nawaraj
Aug 27 '19 at 2:08
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Detecting touch screen devices with Javascript
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I use:
if(jQuery.support.touch){
alert('Touch enabled');
}
in jQuery mobile 1.0.1
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How do I get the current time only in JavaScript
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var d = new Date("2011-04-20 09:30:51.01"); alert(d.getHours()); // => 9 output NaN
– Chinmay235
May 11 '15 at 6:04
1
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Catch paste input
...oesn't pan out, have a look here.
$(this).live("paste", function(e) {
alert(e.clipboardData); // [object Clipboard]
});
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Can you detect “dragging” in jQuery?
...(p1.x - p0.x, 2) + Math.pow(p1.y - p0.y, 2));
if (d < 4) {
alert('clicked');
}
})
You can tweak the distance limit to whatever you please, or even take it all the way to zero.
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How to check 'undefined' value in jQuery
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when I am testing "typeof obj === undefined", the alert(typeof obj) returning object, even though obj is undefined.
Since obj is type of Object its returning Object, not undefined.
So after hours of testing I opted below technique.
if(document.getElementById(obj) !== null)...
jQuery.inArray(), how to use it right?
...= new Array("php", "tutor");
if( $.inArray("php", myArray) !== -1 ) {
alert("found");
}
Reference
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Convert string with commas to array
...it on the , character;
var string = "0,1";
var array = string.split(",");
alert(array[0]);
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