меньше или равен JavaScript
if(a <= 5){
yourFunction();
}
Dr. Hippo
if(a <= 5){
yourFunction();
}let X = 4
let Y = 5
let Z = 8
if (Y < Z && Y > X) {
console.log(`Y is less than Z but greater than X, or mathematically
'X < Y < Z' or 'Z > Y > X'
`);
}