user2507818 questions

• When is necessary to use static methods?
• got (an empty string) when trying to get marginTop value in js
• trying to figure out 'this' in some js codes
• How do I grep for strings with special characters like []?
• How and when to use preventDefault()?
• what is the best way to check variable type in javascript
• Should I put trailing slash after source and destination when copy folders
• readyState vs status==200

user2507818 answers