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First of all, let’s see what is happening with basic JavaScript compatibility (variables, functions and basic alert functionality) with mobile browsers. Table 8-1 illustrates the current levels of support on the different platforms.
| Browser/platform | JavaScript support |
|---|---|
| Safari | Yes |
| Android browser | Yes |
| Symbian/S60 | Yes |
| Nokia Series 40 | Yes |
| webOS | Yes |
| BlackBerry | Yes from 3.8 Can be disabled by the user or the company; in that case, noscript is executed |
| NetFront | Yes |
| Openwave (Myriad) | Not available in Openwave; yes in Myriad Browser V7 |
| Internet Explorer | Yes |
| Motorola Internet Browser | Yes |
| Opera Mobile | Yes |
| Opera Mini | Yes, but everything after the onload script will be executed on the server, generating a postback |