javascript - Node.js: running setInterval while certain variable is true? -

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i have setinterval function , isrunning variable. how stop setinterval when isrunning gets set false?

thanks.

see comments inline:

var isrunning = true; // define outside can accessed inside setinterval  var interval = setinterval(function() {     // code here       // check if variable false, clear interval     if (isrunning == false) {         clearinterval(interval);     } }, 100);

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