Explains the basic programming constructs of JavaScript for branching like if, if-else, and switch-case. Also discusses JavaScript programming constructs for iteration like for, while, and do-while. Further, five important built-in functions available in JavaScript - alert(), isNaN, touppercase, tolowercase, chart and string property, length are also discussed in this video. Complete JavaScript programs with outputs are also shown. . This topic is very important for both Computer science and Computer applications students. Explanations are in Malayalam with English texts. Useful for MSc, MCA, BCA, B Sc, B Tech, and of course, higher secondary and vocational higher secondary Computer Science and Computer Application students and for all those who want to have thorough knowledge about the basics of web programming.