5.5.1 If…else Statements
If…else statement performs an indicated action only when the condition n evaluates to true; otherwise that action is skipped. The if…else selection statement allows you to specify that a different action is to be performed when the condition is true than when the condition is false.
Syntax
If (condition)
{
Code to be executed if condition is true
}
else
{
code to be executed if condition is not true
}
× Forgetting one or both of the braces that delimit a block can lead to syntax error or logic error
<html>
<body>
<script type = “text/ javascript”>
Marks = 60;
If (marks>60)
{
Document.write (“you have passed!”);
}
else {
Document.write (“you failed”);
}
</script>
</body>
</html>
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