JavaScript preguntas y respuestas de entrevista

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Pregunta 46. What is a prompt box?

A prompt box allows the user to enter input by providing a text box.

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Pregunta 47. Can javascript code be broken in different lines?

Breaking is possible within a string statement by using a backslash \ at the end but not within any other javascript statement.
that is ,
document.write("Hello \ world");
is possible but not document.write \
("hello world");

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Pregunta 48. To put a "close window" link on a page?

<a href='javascript:window.close()' class='mainnav'> Close </a>

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Pregunta 49. How to hide javascript code from old browsers that dont run it?

Use the below specified style of comments

JavaScript vs Jquery	JavaScript vs VBScript	JavaScript vs TypeScript

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JavaScript preguntas y respuestas de entrevista

Diferencias relacionadas

Pregunta 46. What is a prompt box?

Pregunta 47. Can javascript code be broken in different lines?

Pregunta 48. To put a "close window" link on a page?

Pregunta 49. How to hide javascript code from old browsers that dont run it?

WithoutBook