Lead Web Developer Interview Questions

18,878 lead web developer interview questions shared by candidates

Closure problem: function addButtons(numButtons) { for (var i = 0; i < numButtons; i++) { var button = document.createElement('input'); button.type = 'button'; button.value = 'Button ' + (i + 1); button.oncl1ck = function() { alert['Button ' + (i + 1) + ' clicked'); }; document.body.appendChild(button); document.body.appendChild(document.createElement('br')); } } window.onl0ad = function() { addButtons(5); }; when clicking either button (1-5) will print "Button 5 Clicked",
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Senior Web Developer

Interviewed at MyHeritage

4.2
Jun 30, 2016

Closure problem: function addButtons(numButtons) { for (var i = 0; i < numButtons; i++) { var button = document.createElement('input'); button.type = 'button'; button.value = 'Button ' + (i + 1); button.oncl1ck = function() { alert['Button ' + (i + 1) + ' clicked'); }; document.body.appendChild(button); document.body.appendChild(document.createElement('br')); } } window.onl0ad = function() { addButtons(5); }; when clicking either button (1-5) will print "Button 5 Clicked",

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