If you have to execute a function only if condition is true, you can use short-circuit.
// Instead of this
if (condition) {
doSomething();
}
// You can use short-circuit
condition && doSomething();
Logical AND
In JavaScript, the logical AND operator will return true if both operands are true. It returns false in any other scenario. Here are a few simple examples:
true && true
// true
true && false
// false
false && false
// false
The :valid CSS pseudo-class represents any <input> or other <form> element whose...
input:valid {
background-color: powderblue;
}
In this quick tutorial we will be creating a Todo...
app.listen(8080, function () {
console.log('Running on port 8080!')
});
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