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Which code segment should you use?

You are developing a customer web form that includes the following HTML.
<input id=”txtValue” type=”text” />
A customer must enter a valid age in the text box prior to submitting the form.
You need to add validation to the control.
Which code segment should you use?

PrepAway - Latest Free Exam Questions & Answers

A.
Option A

B.
Option B

C.
Option C

D.
Option D

5 Comments on “Which code segment should you use?”

  1. mieke says:

    can anybody tell me if these questions are legit or not?

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    C. getElementsByTagName
    D. getElementsByClass
    Answer: C

    QUESTION 226
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    B. context
    C. datatype
    D. data
    Answer: A
    Explanation: contentType is the property that specifies the content type of the data you’re sending via the AJAX request. The default is application/x-www-form-urlencoded;charset=UTF-8, which should be fine in most cases.

    QUESTION 227
    You’re developing a new website for a hardware store. Certain HTML controls need to be disabled depending on the day of the week and the time of day. JQuery provides the :disabled selector to select HTML elements that are disabled. Do you know which of these elements doesn’t support the disabled attribute?
    A. table
    B. input
    C. select
    D. option
    Answer: A
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    QUESTION 228
    The readonly attribute is great for preventing users from changing data in an input control. However, the readonly attribute can’t be used for every input type. Do you know which one?
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    B. Date
    C. Number
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    Answer: D

    QUESTION 229
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    Answer: D
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    QUESTION 230
    You want to use JQuery to read the value of a textbox. This value contains the users full name which is needed for further processing in Javascript. Which code segment is NOT a workable solution?
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    B. value = $(“#txt_name”).val();
    C. value = $(“#txt_name”).attr(‘value’);
    D. document.getElementById(‘txt_name’).value
    Answer: A
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    QUESTION 231
    You’re trying to use the new Canvas element in HTML5 to draw some fancy graphics on the page. You’ve been using the rect() function to draw a rectangle but the shape isn’t appearing to users of the page. What mistake have you made?
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    B. You forgot to use closePath()
    C. You forgot to use beginPath()
    D. You forgot to use stroke()
    Answer: A

    QUESTION 232
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    Answer: D
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    QUESTION 233
    You want to call a Javascript function by passing in an array of arguments. Which line of code should you use?
    A. myFunc.call()
    B. myFunc.apply()
    C. myFunc.toSource()
    D. myFunc.bind()
    Answer: B
    Explanation: The apply() method is the correct choice if you want to pass in an array of arguments. E.g. myFunc.apply(valueForThis, arrayOfArgs). To help you remember: a in apply for array of args and c in call for columns of args.

    QUESTION 234
    You want to use JQuery to select input elements where the elements name ends with the word “letter”. Which code would you use?
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    B. $( “input[name*=’letter’]” )
    C. $( “input[name!=’letter’]” )
    D. $( “input[name=’letter’]” )
    Answer: A
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    QUESTION 235
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    C. browser default
    D. external style sheet
    Answer: B
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    QUESTION 236
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    C. fixed
    D. relative
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    QUESTION 237
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    B. Wrap the spaces in a DIV tag first
    C. Use a textbox to display the sentence instead
    D. Use for the extra spaces
    Answer: D

    QUESTION 238
    Your new dynamic website uses many XMLHttpRequests to access data from the server without reloading the current page. You know that the first parameter to the Open method of the XMLHttpRequest object is the type of request (POST or GET), do you know what the other two parameters are?
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    QUESTION 239
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    C. formmethod
    D. autocomplete
    Answer: D
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    QUESTION 240
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    QUESTION 241
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    QUESTION 242
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    QUESTION 243
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    QUESTION 244
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    C. $(element).attr(‘display’) == ‘none’;
    D. $(element).attr(‘visibility’) == ‘hidden’;
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    QUESTION 245
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    QUESTION 246
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    QUESTION 247
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