list of javascript cheat sheet
// before -- [_,_,NEW,REF,_,_]
list.splice(list.indexOf(REF), 0, NEW))
0
0
.filter(n => ...) => array
Thank you!
0
0
3.86
7
.every(n => ...) => Boolean // ie9+
.some(n => ..) => Boolean // ie9+
Thank you!
7
0
4.4
10
list.push(X) // list == [_,_,_,_,_,X]
list.unshift(X) // list == [X,_,_,_,_,_]
list.splice(2, 0, X) // list == [_,_,X,_,_,_]
Thank you!
10
0
4.29
7
.find(n => ...) // es6
.findIndex(...) // es6
Thank you!
7
0
3
1
// after -- [_,_,REF,NEW,_,_]
list.splice(list.indexOf(REF)+1, 0, NEW))
Thank you!
1
0
3.5
2
.map(n => ...) // ie9+
.reduce((total, n) => total) // ie9+
.reduceRight(...)
Thank you!
2
0
4.3
10
re = list.splice(1) // re = [b,c,d,e] list == [a]
re = list.splice(1,2) // re = [b,c] list == [a,d,e]
Thank you!
10
0
3.43
7
list = [a,b,c,d,e]
Thank you!
7
0
3.7
10
list.splice(2, 1, X) // list == [a,b,X,d,e]
Thank you!
10
0
Are there any code examples left?
New code examples in category Javascript