let searchQuery = "science[journal]+AND+breast+cancer+AND+2008[pdat]";
let url = "https://eutils.ncbi.nlm.nih.gov/entrez/eutils"


function testSearchPubmed(query) {
    fetch(`${url}/esearch.fcgi?db=pubmed&term=${query}`)
    .then((res) => {
        res.blob().then(val => {
            val.text().then(val => {
                let xmlParser = (new DOMParser()).parseFromString(val, "text/xml");
                let els = xmlParser.getElementsByTagName("Id");
                let ids = [];
                for (let i = 0; i < els.length; i++) {
                    ids.push(els[i].innerHTML);
                }
                console.log(ids);
                return ids;
            })
        })
    });
}


function testSearchGene(query) {
    fetch(`${url}/esearch.fcgi?db=gene&term=${query}`)
    .then((res) => {
        res.blob().then(val => {
            val.text().then(val => {
                console.log(val);
            })
        })
    });
}


function testLookupGeneById(ids) {
    fetch(`${url}/esummary.fcgi?db=gene&id=${String(ids)}`)
    .then(res => {
        res.blob().then(val => {
            val.text().then(val => {
                console.log(val)
            })
        })
    })
}

testLookupGeneById(7157);