var words = ['spray', 'limit', 'elite', 'exuberant', 'destruction', 'present'];
const result = words.filter(word => word.length > 6);
console.log(result);let newArray = array.filter(function(item) {
return condition;
});function filter(array, test) {
let passed = [];
for (let element of array) {
if (test(element)) {
passed.push(element);
}
}
return passed;
}
console.log(filter(SCRIPTS, script => script.living));
// → [{name: "Adlam", …}, …]// Arrow function
filter((element) => { ... } )
filter((element, index) => { ... } )
filter((element, index, array) => { ... } )
// Callback function
filter(callbackFn)
filter(callbackFn, thisArg)
// Inline callback function
filter(function callbackFn(element) { ... })
filter(function callbackFn(element, index) { ... })
filter(function callbackFn(element, index, array){ ... })
filter(function callbackFn(element, index, array) { ... }, thisArg)# filter function
l1=[10,20,30,40,50,60,70,80]
l2= [i for i in filter(lambda x:x>30,l1)]
print(l2)
# [40, 50, 60, 70, 80]
# filter takes a function and a collection. It returns a collection of every item for which the function returned True.