javascript determine array type
var data = ['a', 'b', 'c']
var isArray = Array.isArray(data)
console.log(isArray)javascript determine array type
var data = ['a', 'b', 'c']
var isArray = Array.isArray(data)
console.log(isArray)Javascript is object array
var colors=["red","green","blue"];
if(Array.isArray(colors)){
//colors is an array
}javascript test if it is an array
// If you want to test if a variable (object) is an instance of
// an array. You can use the Array.isArray(varName) method
// this method takes one argument, the variable or object you want to test
// and returns true, if the argument is an array
// or false, if the argument is not an array
if (Array.isArray(object)) {
// is true
} else {
// is false
}
Array.isArray([1, 2, 3, 4]); // Returns true
Array.isArray(4); // returns false
// this could be used for flattening an array of arrayscheck object in array javascript
var obj = {a: 5};
var array = [obj, "string", 5]; // Must be same object
array.indexOf(obj) !== -1 // TrueCopyright © 2021 Codeinu
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