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Javascript examples fixed #1957

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Javascript examples fixed #1957

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27 changes: 13 additions & 14 deletions docs/core-concepts/utils.md
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Original file line number Diff line number Diff line change
Expand Up @@ -10,8 +10,7 @@ slug: utils
To use the functionality provided by `Utils`:

```JavaScript
import { Utils } from "@nativescript/core";
```
const Core = require("@nativescript/core");```
```TypeScript
import { Utils } from "@nativescript/core";
```
Expand All @@ -25,7 +24,7 @@ Verify if the specified `path` points to a resource or a local file. The functio

```JavaScript
var path = "res://icon";
var value = Utils.isFileOrResourcePath(path);
var value = Core.Utils.isFileOrResourcePath(path);
```
```TypeScript
const path: string = "res://icon";
Expand All @@ -40,7 +39,7 @@ Checks if the specified URI is a [data URI](http://en.wikipedia.org/wiki/Data_UR

```JavaScript
var url = "<url>";
var value = Utils.isDataURI(url);
var value = Core.Utils.isDataURI(url);
```
```TypeScript
const url: string = "<url>";
Expand All @@ -52,7 +51,7 @@ const value:boolean = Utils.isDataURI(url);
Open an URL on device with the default browser

```JavaScript
Utils.openUrl("https://docs.nativescript.org/core-concepts/utils")
Core.Utils.openUrl("https://docs.nativescript.org/core-concepts/utils")
```
```TypeScript
Utils.openUrl("https://docs.nativescript.org/core-concepts/utils")
Expand All @@ -65,7 +64,7 @@ Utils.openUrl("https://docs.nativescript.org/core-concepts/utils")

```JavaScript
var sampleString = "All of these should be escaped: ^ $ * ";
var newString = Utils.escapeRegexSymbols(sampleString);
var newString = Core.Utils.escapeRegexSymbols(sampleString);
```
```TypeScript
var sampleString: string = "All of these should be escaped: ^ $ * ";
Expand All @@ -78,10 +77,10 @@ Converts a string value to a number or boolean;

```JavaScript
var stringToBoolean = "true";
var booleanValue = Utils.convertString(stringToBoolean);
var booleanValue = Core.Utils.convertString(stringToBoolean);

var stringToNumber = "23";
var numberValue = Utils.convertString(stringToNumber);
var numberValue = Core.Utils.convertString(stringToNumber);
```
```TypeScript
const stringToBoolean :string = "true";
Expand All @@ -95,7 +94,7 @@ const numberValue :number = Utils.convertString(stringToNumber);
Returns the display density of the device.

```JavaScript
var displayDensity = Utils.layout.getDisplayDensity();
var displayDensity = Core.Utils.layout.getDisplayDensity();
```
```TypeScript
const displayDensity = Utils.layout.getDisplayDensity();
Expand All @@ -106,7 +105,7 @@ const displayDensity = Utils.layout.getDisplayDensity();
Converts value from device independent pixels to device pixels.

```JavaScript
var devicePixels = Utils.layout.toDevicePixels(<dip>);
var devicePixels = Core.Utils.layout.toDevicePixels(<dip>);
```
```TypeScript
const devicePixels = Utils.layout.toDevicePixels(<dip>);
Expand All @@ -117,7 +116,7 @@ const devicePixels = Utils.layout.toDevicePixels(<dip>);
Convert value to device independent pixels.

```JavaScript
var deviceIndependentPixels = Utils.layout.toDeviceIndependentPixels(<px>);
var deviceIndependentPixels = Core.Utils.layout.toDeviceIndependentPixels(<px>);
```
```TypeScript
const deviceIndependentPixels = Utils.layout.toDeviceIndependentPixels(<px>);
Expand All @@ -128,7 +127,7 @@ const deviceIndependentPixels = Utils.layout.toDeviceIndependentPixels(<px>);
Rounds value used in layout.

```JavaScript
var value = Utils.layout.round(<number_value>);
var value = Core.Utils.layout.round(<number_value>);
```
```TypeScript
var value = Utils.layout.round(<number_value>);
Expand All @@ -140,7 +139,7 @@ var value = Utils.layout.round(<number_value>);
The method checks if the current thread is the main thread. It will directly call the passed function if it is, or dispatches it to the main thread otherwise.

```JavaScript
Utils.executeOnMainThread(() => {
Core.Utils.executeOnMainThread(() => {
// ...
})
```
Expand All @@ -155,7 +154,7 @@ Utils.executeOnMainThread(() => {
The method returns a function wrapper which executes the supplied function on the main thread. The wrapper behaves like the original function and passes all of its arguments BUT discards its return value.

```JavaScript
Utils.mainThreadify(() => {
Core.Utils.mainThreadify(() => {
// ...
})
```
Expand Down