Javascript - CS - CSE Questions and Answers

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Which of the following is added to prefs.js when the console is automatically opened during JavaScript error?

user_pref("javascript.console.open_on_error", true);

user_pref("javascript.console.open_error ", true);

user_pref("javascript.console.open_error ", false);

user_pref(" javascript.console.open_on_error", false);

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Which of the following is possible to be referenced in external JavaScript?

cpp

php

all of the mentioned

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Which of the following attribute takes the source of the PHP file?

img

src

source

none of the mentioned

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What kind of path can the PHP file be?

Absolute

Relative

Either Absolute or Relative

Both Absolute and Relative

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Which of the following global variables is used to get parameters?

$HTTP_GET_VAR[]

$HTTP_GET_VARS()

$HTTP_GET_VARS

$HTTP_GET_VARS[]

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What is the purpose of the RegExp method test()?

Tests for a match in its float parameter

Tests for a match in its string parameter

Tests for a match in its integer parameter

None of the mentioned

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What is the purpose of the function parameter filetype?

File type to be expected

File type previously got

File type that should not be got

None of the mentioned

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Which of the following is the method used to add an element to the desired location?

add.element()

element.add()

element.appendChild()

none of the mentioned

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Which program code doesn’t need preprocessing before being run?

Text

Script

Both Text and Script

None of the mentioned