<!DOCTYPE html><html lang="en"><body><script>
// Create a Boolean object using the new keyword and the Boolean() constructor.
var myBoolean1 = new Boolean(false); // Using new keyword.
console.log(typeof myBoolean1); // Logs 'object'.
// Create a Boolean literal/primitive by directly using the number constructor without new.
var myBoolean2 = Boolean(0); // Without new keyword.
console.log(typeof myBoolean2); // Logs 'boolean'.
// Create Boolean literal/primitive (constructor leveraged behind the scenes).
var myBoolean3 = false;
console.log(typeof myBoolean3); // Logs 'boolean'.
console.log(myBoolean1, myBoolean2, myBoolean3); // Logs false false false.
</script></body></html>标签：false,log,布尔值,创建,JavaScript,console,Boolean,new,Logs From： https://www.cnblogs.com/hwrex/p/18346737