It matches only those elements matched by the second selector that are the children of elements matched by the first It is stricter than a descendent selector where the element2 can be the child of element1 at any level of DOM.
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The browser attaches the style to the associated DOM nodes and finally displays the contents of the DOM.
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It is considered a good programming practice to add enough comments so anyone can understand your code just by looking at it with the supporting comments.
A function is a code block that is designed to work together to perform a specific task. The task to be done by the function is defined once and can be invoked or executed in the form of a function, a number of times.
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for (initialization; test condition; updation) { // … loop body … } Example : for(i=0;i<10;i++) { console.log(i); }
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They can be entry-controlled or exit-controlled depending on the placement of the loop condition
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Iterative statements: Block of code getting executed for multiple numbers of times based on the loop condition.
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switch case statements: Conditionally execute code based on the value match as shown: