JavaScript Arrays · Lesson 10 of 14

How Old Are They?

Lesson 10 · 🎂 How Old Are They?

Loop through the array of kids and print a sentence about each one.

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Type this next
Type var obj1 = { - start an object called obj1
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Type 'name': 'Ted', - give it a name property with the value Ted
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Type 'age': 10}; - give it an age property of 10, and close the object
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Type var obj2 = { - start a second object called obj2
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Type 'name': 'Chad', - its name is Chad
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Type 'age': 13}; - its age is 13 - close this object too
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Type var arr = []; - an empty array to keep our objects in
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Type arr.push(obj1); - push Ted into the array
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Type arr.push(obj2); - push Chad into the array
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Type for(var i = 0; i < arr.length; i++){ - loop once for each kid in the array
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Type var str = arr[i].name; - start a sentence with this kid’s name, using a dot to read the property
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Type str += ' is ' + arr[i].age; - add the word is, then the kid’s age
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Type str += ' years old'; - add the words years old after the number
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Type console.log(str); - print the sentence, like Ted is 10 years old
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Type } - close the loop

Your code · JS

Type var obj1 = { - start an object called obj1

Output

Press ▶ Run - whatever your code prints with console.log shows up here.