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Start your free trialAidi Xu
5,737 PointsUncaught TypeError: Cannot read property 'name' of undefined, Why???
const records = [
{name: 'John', track: 'Web Design', achievements: 90, point: 89 },
{name: 'Andy', track: 'iOS', achievements: 98, point: 99 },
{name: 'Sandy', track: 'Front End Development', achievements: 88, point: 95 },
{name: 'Amenda', track: 'Interaction Designer', achievements: 95, point: 95 },
];
let message;
let student;
let search;
function print(message){
let outputDiv = document.getElementById('output');
outputDiv.innerHTML = message;
}
while(true){
search = prompt('Please enter the student name you want to see his/her record. Enter
quite if you want to quite the search.')
if(search.toLowerCase() === 'quite'){
break;
}
for(let i = 0; i <= records.length; i += 1){
student = records[i];
if(student.name === search){
message += '<h3>student:' + student.name + '</h3>';
message += '<p>track:' + student.track + '</p>';
message += '<p>achievement:' + student.achievements + '</p>';
message += '<p>point:' + student.point + '</p>';
}
}
}
print(message);
1 Answer
Steven Parker
231,268 PointsThe search loop runs too many times, one more than you have records:
for (let i = 0; i < records.length; i += 1) { // use < instead of <=
Also, did you mean to write "quit" instead of "quite"?