次の認定試験に速く合格する!
簡単に認定試験を準備し、学び、そして合格するためにすべてが必要だ。
(A)var myName= "Paul"switch (myName){case (Peter)document.write("My name is Peter.<br />")breakcase (Paul)document.write("My name is Paul.<br />")break;case: (default);document.write("I do not have a name.<br />")}
(B)var myName= "Paul"switch (myName){case (Peter)document.write("My name is Peter.<br />")breakcase (Paul)document.write("My name is Paul.<br />")break;case: (default);document.write("I do not have a name.<br />")}
(C)var myName= "Paul"switch (myName){case "Peter"document.write("My name is Peter.<br />")breakcase "Paul"document.write("My name is Paul.<br />")break: (default);document.write("I do not have a name.<br />")}
(D)var myName= "Paul"switch (myName){case "Peter"document.write("My name is Peter.<br />")breakcase "Paul"document.write("My name is Paul.<br />")break: (default);document.write("I do not have a name.<br />")}
(A)alert(x + y);
(B)alert(x + parseInt(y));
(C)alert((int)x + (int)y);
(D)alert(x + int(y));
(A)document.rdoGroup1.value
(B)document.getElementById(rdoGroup1).value
(C)document.getElementById("rdoGroup1").value
(D)document.myForm.rdoGroup1[0].value
(A)You must add the this keyword to the variables on the left side of the assignments.
(B)You must change the declaration syntax to object carObj.
(C)You must remove the car_ prefix on the parameters.
(D)You must add the keyword var to each line inside the function.
(A)No value ?error in line 1 due to missing var keyword for userAge.
(B)Maria is 22 years old
(C)No value ?error in line 1 due to multiple declarations in one line.
(D)Maria "is" 22 "years old"
(A)var list = document.getElementById("numlist"); list[3].selected(true);
(B)var list = document.getElementById("numlist"); list.options.selectedIndex = 2;
(C)var list = document.getElementById("numlist"); list.options[2].selectedIndex();
(D)var list = document.getElementById("numlist"); list.selected = 3;
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