How to use foreach method in javascript [closed] - javascript

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what should I write inside the function?
`array.forEach(function(item){
})`
try to insert data to array

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Logic building problems in javascript [closed]

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Create a javascript program that prints an odd number after every 5 even numbers in the range of 0-1000
I am trying for loop with conditionals in javascript

How to count specific items in array [closed]

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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);

How to hide image/video if it cannot be loaded [closed]

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I want to be able to hide img/video if it cannot be loaded in website
You need to use javascript,for video.
x = document.getElementById("video");
x.addEventListener('error',function(){
$(x).hide();
});

Dynamic data type in javascript [closed]

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JsonConvert.DeserializeObject<dynamic>(strinng);
What would be the javascript code for this .NET code?
Please suggest some solution.
let object = JSON.parse(string);

How can I use defmacro in Javascript? [closed]

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How can I use defmacro in Javascript?
defmacro ()?
Or, some other formats?
You just cannot.
Javascript is not Lisp

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