You are testing the value of the following variable in JavaScript. var height = “300”; A block of code must execute if the following conditions are true: ✑ The height variable is set to 300 ✑ The height variable is of type string You need to implement the code to run the test. Which line of code should you use?

A. if (height = = 300)
B. if (height = = “300”)
C. if (height ! “300”)
D. if (height ! = 300)
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