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web: Optimization: Cache user agent value

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This commit is contained in:
Hajime Hoshi 2019-06-17 10:56:50 +09:00
parent 4396978d4b
commit 57d493a549
1 changed files with 5 additions and 5 deletions
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10
internal/web/js.go
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@ -30,20 +30,20 @@ func IsBrowser() bool {
return true return true
} }
var userAgent = js.Global().Get("navigator").Get("userAgent").String()
func IsIOSSafari() bool { func IsIOSSafari() bool {
ua := js.Global().Get("navigator").Get("userAgent").String() if !strings.Contains(userAgent, "iPhone") {
if !strings.Contains(ua, "iPhone") {
return false return false
} }
return true return true
} }
func IsAndroidChrome() bool { func IsAndroidChrome() bool {
ua := js.Global().Get("navigator").Get("userAgent").String() if !strings.Contains(userAgent, "Android") {
if !strings.Contains(ua, "Android") {
return false return false
} }
if !strings.Contains(ua, "Chrome") { if !strings.Contains(userAgent, "Chrome") {
return false return false
} }
return true return true