javascript check if is array
var colors=["red","green","blue"];
if(Array.isArray(colors)){
//colors is an array
}javascript check if is array
var colors=["red","green","blue"];
if(Array.isArray(colors)){
//colors is an array
}js check if is array
if(Array.isArray(colors)){
//colors is an array
}how to check if item is in list js
var myList=["a", "b", "c"];
mylist.includes("d")//returns true or falsejs test if array
if(Array.isArray(myVarToTest)) {
// myVatToTest is an array
} else {
// myVarToTest is not an array
}how to check if something is array javascript
function isArray(value) {
return Object.prototype.toString.call(value) === "[object Array]";
}javascript check if in array
var extensions = ["image/jpeg","image/png","image/gif"];
if(extensions.indexOf("myfiletype") === -1){
alert("Image must be .png, .jpg or .gif");
}Copyright © 2021 Codeinu
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