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Convert blob to base64
...(data) { if(data && data.Success) {}},
error: function(a,b,c){alert(c);}
});
}
Delete first character of a string in Javascript
... of a string using substring:
var s1 = "foobar";
var s2 = s1.substring(1);
alert(s2); // shows "oobar"
To remove all 0's at the start of the string:
var s = "0000test";
while(s.charAt(0) === '0')
{
s = s.substring(1);
}
s...
Xcode: failed to get the task for process
...t, seriously, WHY... Why can't Xcode give a half-useful error message, to alert you to this issue ? It's 2016. Is Xcode ever going to grow up, and look like a half-decent environment ?!
– Mike Gledhill
Jul 28 '16 at 13:25
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Get class name using jQuery
...usefull if you know the classname you are checking...but my comment was to alert you not to use .attr('class')=='CLASSNAME_YOU_ARE_SEARCHING' to check if a dom element has some class instead it's better to use .hasClass
– sandino
Jun 15 '11 at 19:45
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Remove multiple elements from array in Javascript/jQuery
...r, function(n, i) {
return $.inArray(i, removeValFromIndex) ==-1;
});
alert(arr);//arr contains V2, V4
check this fiddle.
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Persist javascript variables across pages? [duplicate]
...en I move to Page B, via clicking a hyperlink in A, and do something like alert(window.someVar) -- I should get a message box displaying 5. Is there a technique to persist someVar as such...?
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How to convert string into float in JavaScript?
...
Have you ever tried to do this? :p
var str = '3.8';ie
alert( +(str) + 0.2 );
+(string) will cast string into float.
Handy!
So in order to solve your problem, you can do something like this:
var floatValue = +(str.replace(/,/,'.'));
...
jQuery post() with serialize and extra data
...oes. I'm not sure what you are trying to show with your demo. You are just alerting the length of the array. If my demo doesn't convince you, please have a look at the documentation.
– Felix Kling
Nov 19 '14 at 18:56
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How to append output to the end of a text file
...identally type command > file_to_append_to to an existing file, it will alert you that the file exists already. Sample error message: file exists: testFile.txt
Thus, when you use > it will only allow you to create a new file, not overwrite an existing file.
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Reordering arrays
...ice(from, 1)[0]);
};
Then just use:
var ar = [1,2,3,4,5];
ar.move(0,3);
alert(ar) // 2,3,4,1,5
Diagram:
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