Answers for "check if element is not in use in array c# site:stackoverflow.com"

javascript how to check for an empty object

function isObjectEmpty(obj) {
    return Object.keys(obj).length === 0;
}

Posted by: Guest on July-24-2019

javascript check if in array

var extensions = ["image/jpeg","image/png","image/gif"];          
if(extensions.indexOf("myfiletype") === -1){
	alert("Imag

Posted by: Guest on January-13-2020

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