Describe the three behaviors that make up the placeholder effect in modern browsers, and that you need to ?replicate with JavaScript for older browsers.
What will be an ideal response?
?Add placeholder text when a page finishes loading.Remove placeholder text when a user selects the field.Check the contents of the field when the users moves to another field, and if the field is empty, add back the placeholder text as the value.
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Identify and correct the errors in each of the following:
``` while (c <= 5) { product *= c; ++c; ```
Consider the two tables T1 and T2 shown in Figure 6.15. Show the results of the following operations:
What will be an ideal response?
Which of the following items below is NOT a cloud service offering?
A) Software-as-a-Service (SaaS) B) Platform-as-a-Service (PaaS C) Business-as-a-Service (BaaS) D) Infrastructure-as-a-Service (IaaS)
Which file requires manual updates if Dynamic DNS is not used?
A. zone files B. HOST files C. LMHOSTS files D. CNAME files