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Quick Reference
This is a quick reference list of JavaScript DOM NodeList methods and properties with examples of how they are used.
JavaScript – DOM NodeList entries() Method
The NodeList entries() method returns an iterator with the key/value pairs from a NodeList, which is an array-like list of Node Objects.
JavaScript – DOM NodeList forEach() Method
The NodeList forEach() method executes a callback function for each node in a NodeList, which is an array-like list of Node Objects.
JavaScript – DOM NodeList item() Method
The NodeList item() method returns the node at a specified index in a NodeList, which is an array-like list of Node Objects.
JavaScript – DOM NodeList keys() Method
The NodeList keys() method returns an iterator with the keys from a NodeList, which is an array-like list of Node Objects.
JavaScript – DOM NodeList length Property
The NodeList length property returns the number of nodes in a NodeList, which is an array-like list of Node Objects.
JavaScript – DOM NodeList values() Method
The NodeList values() method returns an iterator with the values from a NodeList, which is an array-like list of Node Objects.
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JAVASCRIPT NOTES:
- When using JavaScript, single or double quotation marks are acceptable and work identically to one another; choose whichever you prefer, and stay consistent
- JavaScript is a case-sensitive language; firstName is NOT the same as firstname
- Arrays count starting from zero NOT one; so item 1 is position [0], item 2 is position [1], and item 3 is position [2] … and so on
- JavaScript variables must begin with a letter, $, or _
- JavaScript variables are case sensitive (x is not the same as X)
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