javascript - JS artificial delay between async requests -

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i trying find way introduce delay between requests. have async method called likephotos iterates array of photos , calls likephoto() each. rather fire off @ same time have second delay between each call likephoto , return caller once complete.

async likephotos(photos) {   // run function on photos   var likes = photos.map(function(p, index, photos){      this.likephoto(p);   }, this);    return promise.all(likes); }  likephoto(p) {   let { token } = this.state;    return new promise(function(resolve, reject) {      http     .post('/api/photos/' + p.id + '/likes', {}, { authorization: 'bearer ' + token })     .then((response) => {       console.log("yeah");       resolve();     })     .catch((error) => {       console.log("failed photo: " + p.id);       reject(error.message);     })   }); }

settimeout doesn't quite seem fit bill here. i'm js noob suggestions appreciated!

add counter simultaneous http requests. browsers can send 6 simultaneous requests. after sending 6 requests wait response 6 requests. once response 6 requests received, send 6 requests.


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