ESP8266 ESP-01 doesn't react

@Ollie, I just tried 1.87 and console started giving a response. I disconnected gpio0 and launched the Web IDE:

>1+1
=2
>wifi.getStatus()
Uncaught ReferenceError: "wifi" is not defined
 at line 1 col 5
wifi.getStatus()
    ^
>var wifi = require("Wifi");
=function () { [native code] }
>wifi.connect("TP-LINK", {password: "password"},function(err){if(err)console.log(err);else console.log("connected!");})
=undefined
connected!
>wifi.getStatus()
={
  "mode": "sta+ap",
  "station": "connected",
  "ap": "enabled",
  "phy": "11n",
  "powersave": "ps-poll",
  "savedMode": "off"
 }
> 

But when I tried to upload a simple sketch I received errors:

Sketch:

setInterval(function() {
  console.log('Hello, world!');
}, 3000);

Output:

>
 _____                 _
|   __|___ ___ ___ _ _|_|___ ___
|   __|_ -| . |  _| | | |   | . |
|_____|___|  _|_| |___|_|_|_|___|
          |_| http://espruino.com
 1v87 Copyright 2016 G.Williams
Espruino is Open Source. Our work is supported
only by sales of official boards and donations:
http://espruino.com/Donate
Flash map 1MB:512/512, manuf 0xc8 chip 0x4014
>Erasing Flash.....
Writing...
Compressed 27200 bytes toLoading 75 bytes from flash...
 ets Jan  8 2013,rst cause:2, boot mode:(3,7)
load 0x40100000, len 1396, room 16
tail 4
chksum 0x89
load 0x3ffe8000, len 776, room 4
tail 4
chksum 0xe8
load 0x3ffe8308, len 540, room 4
tail 8
chksum 0xc0
csum 0xc0
2nd boot version : 1.4(b1)
  SPI Speed      : 40MHz
  SPI Mode       : QIO
  SPI Flash Size & Map: 8Mbit(512KB+512KB)
jump to run user1 @ 1000
don't use rtc mem data
rlLoading 75 bytes from flash...
 ets Jan  8 2013,rst cause:2, boot mode:(3,7)
load 0x40100000, len 1396, room 16
tail 4
chksum 0x89
load 0x3ffe8000, len 776, room 4
tail 4
chksum 0xe8
load 0x3ffe8308, len 540, room 4
tail 8
chksum 0xc0
csum 0xc0
2nd boot version : 1.4(b1)
  SPI Speed      : 40MHz
  SPI Mode       : QIO
  SPI Flash Size & Map: 8Mbit(512KB+512KB)
jump to run user1 @ 1000
r,Loading 75 bytes from flash...
 ets Jan  8 2013,rst cause:2, boot mode:(3,7)
load 0x40100000, len 1396, room 16
tail 4
chksum 0x89
load 0x3ffe8000, len 776, room 4
tail 4
chksum 0xe8
load 0x3ffe8308, len 540, room 4
tail 8
chksum 0xc0
csum 0xc0
2nd boot version : 1.4(b1)
  SPI Speed      : 40MHz
  SPI Mode       : QIO
  SPI Flash Size & Map: 8Mbit(512KB+512KB)
jump to run user1 @ 1000
r,Loading 75 bytes from flash...
ERROR: Prompt not detected - upload failed. Trying to recover...
 ets Jan  8 2013,rst cause:2, boot mode:(3,7)
load 0x40100000, len 1396, room 16
tail 4
chksum 0x89
load 0x3ffe8000, len 776, room 4
tail 4
chksum 0xe8
load 0x3ffe8308, len 540, room 4
tail 8
chksum 0xc0
csum 0xc0
2nd boot version : 1.4(b1)
  SPI Speed      : 40MHz
  SPI Mode       : QIO
  SPI Flash Size & Map: 8Mbit(512KB+512KB)
jump to run user1 @ 1000
r,Loading 75 bytes from flash...
 ets Jan  8 2013,rst cause:2, boot mode:(3,7)
load 0x40100000, len 1396, room 16
tail 4
chksum 0x89
load 0x3ffe8000, len 776, room 4
tail 4
chksum 0xe8
load 0x3ffe8308, len 540, room 4
tail 8
chksum 0xc0
csum 0xc0
2nd boot version : 1.4(b1)
  SPI Speed      : 40MHz
  SPI Mode       : QIO
  SPI Flash Size & Map: 8Mbit(512KB+512KB)
jump to run user1 @ 1000
r,Loading 75 bytes from flash...
 ets Jan  8 2013,rst cause:2, boot mode:(3,7)
load 0x40100000, len 1396, room 16
tail 4
chksum 0x89
load 0x3ffe8000, len 776, room 4
tail 4
chksum 0xe8
load 0x3ffe8308, len 540, room 4
tail 8
chksum 0xc0
csum 0xc0
2nd boot version : 1.4(b1)
  SPI Speed      : 40MHz
  SPI Mode       : QIO
  SPI Flash Size & Map: 8Mbit(512KB+512KB)
jump to run user1 @ 1000
r,Loading 75 bytes from flash...
 ets Jan  8 2013,rst cause:2, boot mode:(3,7)
load 0x40100000, len 1396, room 16
tail 4
chksum 0x89
load 0x3ffe8000, len 776, room 4
tail 4
chksum 0xe8
load 0x3ffe8308, len 540, room 4
tail 8
chksum 0xc0
csum 0xc0
2nd boot version : 1.4(b1)
  SPI Speed      : 40MHz
  SPI Mode       : QIO
  SPI Flash Size & Map: 8Mbit(512KB+512KB)
jump to run user1 @ 1000
r,Loading 75 bytes from flash...
Disconnected