Professor, porque dá esse erro no navegador?
[Deprecation] Synchronous XMLHttpRequest on the main thread is deprecated because of its detrimental effects to the end user's experience. For more help, check https://xhr.spec.whatwg.org/.
rapport_nikko_send_focus_event @ VM101:61
rapport_nikko_on_focus @ VM101:72
VM101:62 GET http://nikkomsgchannel/e?001a0054002a005a0045004a001d0055002c0051005900230050000d0023004b0051005400270069002d0054000a007500130054002a005a0045004a002700520079004400450031005000140020004f0055005700360069002900510050002d0056000f0001007b0001007a0077000000060000000e007c0005000500630057005100540027000b002a0059005c002f005a005c002c0055005c001f0036004f00340055000a003700400050002800500044001f002400590036005d000a002a005c0059002e0056005e0050002e005a
rapport_nikko_send_focus_event @ VM101:62
rapport_nikko_on_focus @ VM101:72
script.js:4 Foi clicado
VM101:49 GET http://nikkomsgchannel/e?001a0054002a005a0045004a001d0055002c0051005900230050000d0023004b0051005400270069002d0054000a007500130054002a005a0045004a002700520079005600560028004600570063005c0046005c002c0042001b005d00560023005c00510078007d0072000800010003007200720007007d000d00020072001f005e0058002f00530079005e005e002f005e005d002b0050005c005500640042003d00400052007900460047002700540059004d00640050002b0042005a0079005b005b002e0052005f0057002b005a0028
As vezes dá mas não sei o que é....