var token = sessionStorage.getItem("token") || "";
window.open(`http://47.106.133.91:8080/?token=${token}`)
`http://47.106.133.91:8080/?token=${token}``${token}`?
$
var token = sessionStorage.getItem("token") || "";
window.open(`http://47.106.133.91:8080/?token=${token}`)
`http://47.106.133.91:8080/?token=${token}``${token}`?
$
${token} indicates the variable token , which is the use of backquotes and indicates the variable
it is recommended to take a good look at ECMAScript 6
there are many new features
template string for E6
``
${} it's not so detailed. < del > ~ < / del >
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