What is a polyfill in JavaScrip?
Senior Frontend Engineer Interview Questions
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For navigation links, should you use an anchor () or a button () in HTML?
class Foo { add5(value){ value = value + 5; return value; } addElement(arr, elem) { arr.push(elem); return arr; } increment(arr) { arr[0]++; return arr; } } let fooInstance = new Foo(); let a = 9; const arr1 = [1,2]; const arr2 = [1,2,1]; fooInstance.add5(a); fooInstance.addElement(arr1, 3); fooInstance.increment(arr2); console.log(a); // ??? console.log(arr1); // ?? console.log(arr2); // ??
var count = Count(10); count(); // 10 count(); //11 count() // 12 *implement function
Describe an algorithm that de-duplicates a list passed an argument to a function.
What is your experience level with WebSockets?
React questions about hooks, useState and useEffect.
Would you rather work on something right away or wait and think about it until you have the perfect solution?
Quelle est la différence entre un type et une interface en typescript ? Quelle est la différence entre computed et methods dans VueJs ? Quelles sont les initiales de SDK ? Comment gérer les erreurs lors d'un appel API ? (trycatch, catch) Êtes-vous à l'aise avec le fait de changer de priorité très souvent, d'un jour à l'autre ?
Stage 5: What is the feature of the company
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