JavaScript is a very powerful language; so powerful that some concepts inJavaScript can’t be shown using blocks. When PXT encounters a piece of codethat can’t be converted into blocks, it instead creates a grey JavaScript blockto preserve it. These blocks get converted right back into the originalJavaScript when you switch back to the text editor.

In this website you are going to find out the best JavaScript Codes for free! And you will be able to learn and use them in your blogs and websites. Check out this very nice and useful Java script codes, Java Script code is the best web languages which is easy to use with only basic knowledge of HTML. I am working my way through the following tutorial and everything works great except for one significant detail: When I test the page in any browser I get a warning message that content unsecure content is being blocked. Once I acknowledge the warning and choose 'allow blocked content' or a similar option, it works just fine. In the search box, search for javascript.enabled; Toggle the 'javascript.enabled' preference (right-click and select 'Toggle' or double-click the preference) to change the value from 'false' to 'true'. Click on the 'Reload current page' button of the web browser to refresh the page.

The code in JavaScript blocks cannot be edited, but the blocksthemselves can be moved, copied, pasted, and deleted just like anyother block.

How do I get my JavaScript code to convert without any grey blocks?

The easiest way to write code that will convert cleanly back to blocksis to write the code using blocks and convert it to JavaScript. Many blockshave a very specific structure to their JavaScript that must befollowed in order to have them convert properly. If you have apiece of your code that does not convert, try looking at the blockyou were expecting and the JavaScript it produces.

For example, a for-loop must have this structure to convert to a block:

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The following examples can’t be represented by the blocks:

Try to match the JavaScript of the desired block as closely aspossible.

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