Isonjululwe: js yongeza isithuba phambi konobumba omkhulu

Eyona ngxaki yokongeza isithuba phambi konobumba omkhulu kukuba kunokwenza igama libukeke lincinci kunokuba lifanele. Oku kunokubabhida abafundi, kwaye kunokukhokelela ekubeni kwenziwe iimpazamo xa kuchwethezwa igama.

var str = "thisIsAString";

str = str.replace(/([A-Z])/g, ' $1');

console.log(str); // "this Is A String"

Le khowudi ichaza umtya, emva koko isebenzisa i replace() indlela ukujonga nabaphi na oonobumba abakhulu kumtya kwaye yongeza isithuba phambi kwabo. Ekugqibeleni, ishicilela umtya omtsha kwi-console.

Yintoni unobumba omkhulu

Unobumba omkhulu kwiJavaScript ngunobumba osekuqaleni kwegama.

Ukusebenza ngesicatshulwa

Ukusebenza ngesicatshulwa kwiJavaScript kunokuba nzima kancinci. Kukho iindlela ezimbalwa ezahlukeneyo zokwenza, kwaye nganye ineengenelo zayo kunye nokungalunganga.

Eyona ndlela ilula yokusebenza ngesicatshulwa kwiJavaScript kukusebenzisa into yoMtya. Ungafikelela okubhaliweyo koluhlu usebenzisa ipropati yomtya, kwaye ungasebenzisa kwakhona umtya osezantsi () indlela yokukhupha isahlulo somtya.

Enye indlela yokusebenza ngesicatshulwa kwiJavaScript kukusebenzisa i-Array object. Ungafikelela okubhaliweyo koluhlu usebenzisa impahla yezinto, kwaye ungasebenzisa kwakhona i indexOf () indlela yokufumana umba othile kuluhlu.

Izithuba kwiJavaScript

Kukho iindlela ezimbalwa zokwenza izithuba kwiJavaScript. Enye indlela kukusebenzisa iString.replace() indlela:

var sentence = “Ndisisivakalisi.”; isigwebo.replace(” “, ” “);

Oku kuya kuvelisa olu luhlu lulandelayo: Ndisisivakalisi.