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Showing posts with the label Null
Javascript: What Is The Data Type Of Null?

Javascript: What Is The Data Type Of Null?

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It is said that null, in JavaScript, is a primary type. However, when I use the operator typeof on … Read more Javascript: What Is The Data Type Of Null?
Gmail Getelementbyid('canvas_frame') Keeps Returning Null In Google Chrome

Gmail Getelementbyid('canvas_frame') Keeps Returning Null In Google Chrome

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i'm trying to write JavaScript code for a Gmail extension, and when I'm trying to get the c… Read more Gmail Getelementbyid('canvas_frame') Keeps Returning Null In Google Chrome
Why Can't A Property Be Added To A Null Value?

Why Can't A Property Be Added To A Null Value?

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If null value of javascript is an empty object so why can't add a property to it? the below cod… Read more Why Can't A Property Be Added To A Null Value?
When To Check For Undefined And When To Check For Null

When To Check For Undefined And When To Check For Null

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[Bounty Edit] I'm looking for a good explanation when you should set/use null or undefined and … Read more When To Check For Undefined And When To Check For Null
Cannot Read Property 'length' Of Null In Javascript For Loop

Cannot Read Property 'length' Of Null In Javascript For Loop

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I'm trying to make a markdown editor like Stack Overflow has. I get this error listed in the ti… Read more Cannot Read Property 'length' Of Null In Javascript For Loop
Cannot Read Property 'length' Of Null In Javascript For Loop

Cannot Read Property 'length' Of Null In Javascript For Loop

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I'm trying to make a markdown editor like Stack Overflow has. I get this error listed in the ti… Read more Cannot Read Property 'length' Of Null In Javascript For Loop