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I am trying to understand what it means when a code appears in between the brackets. I know that has something to do with an array.
In the case of "inputArray[0]", it is finding the value at index position 0 (the first element) in the array "inputArray".
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There will always be only one integer that appears an odd number of times.
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I've got this array in my jquery Script :
I want to count all items inside my array called div.item.bloc-membre
Right now I have this code that returns me 75
console.log($(response).length);
Thanks for your help !
Using filter
console.log($(response).filter("div.item.bloc-membre").length);
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I saw this in someones code and i'm trying to understand what it means
if(output=="" && history!=""){
if(isNaN(history[history.length-1])){
history = history.substr(0, history.length-1);
}
}
'history' is an Array
the secound line is checking if the last item of 'history' array is not a number, if so, the third line deletes the last item in the array
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OK, let me explain what I need:
I want the user to be able to eval his own valid JS/jQuery statements
Access to elements must be restricted - meaning: let's say object X should not be available, but object Y should.
How should I go about that?
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I've heard (XPath or querySelector?) that XPath (evaluate) can do everything that a CSS3 selector (querySelector) can and even more, but couldn't find what exactly "more" it can do, can you list what exactly is "more"?