how to call this javascript function from inside another function?

pic_display+="<img src='"+pic_url+"' onClick='swapImage("+pic_url+");'>

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I am adding an image to the innerHTML of a div with the code above. I want to call the function swapImage(pic_url) whenever I click on the image.

I have still not figured out the syntaxes in javascript, always confuse them with php.

How should it be written ?

Thanks

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You could dump the quoting issue by using a variable instead of the string:

... onclick="swapImage(this.src)" ...

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Should be like this onClick='swapImage(\""+pic_url+"\");'

Note you need to quote the pic URL when it is the argument since you are meaning to use a string and not a variable.

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Instead of

onClick='swapImage("+pic_url+");'>

try

onClick='swapImage(\""+pic_url+"\");'>

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You need to wrap the function argument in quotes like you have with the src attribute. For example.

  pic_display+="<img src='"+pic_url+"' onClick='javascript:swapImage(\""+pic_url+"\");'>