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Get the number of true/false values in an array using JavaScript?
To get the number of true/ false values in an array, the code is as follows −
var obj = [
{
isMarried: true
},
{
isMarried: false
},
{
isMarried: true
},
{
isMarried: true
},
{
isMarried: false
}
]
function numberOfTrueValues(obj) {
var counter = 0;
for (var index = 0; index < obj.length; index++) {
if (obj[index].isMarried === true) {
counter++;
}
}
return counter;
}
function numberOfFalseValues(obj) {
var counter = 0;
for (var index = 0; index < obj.length; index++) {
if (obj[index].isMarried === false) {
counter++;
}
}
return counter;
}
console.log("Number Of true values=" + numberOfTrueValues(obj));
console.log("Number Of false values=" + numberOfFalseValues(obj));To run the above program, you need to use the below command −
node fileName.js.
Here, my file name is demo318.js.
Output
This will produce the following output −
PS C:\Users\Amit\javascript-code> node demo318.js Number Of true values=3 Number Of false values=2
Updated on: 26-Oct-2020
1K+ Views
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