How do I open javascript console?

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Do I need to install javascript?

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When would you use javascript closures?

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What is a “closure” in JavaScript? Provide an example

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Is javascript used for backend?

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Name some of the Javascript frameworks?

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The below script is working Internet browser but not working in mozilla plz find that good way... function doSubmit(op){ var rowcount=document.getElementsByName ("parameterTypeId").length; var parameterGrade; var performance; var goal; if(op == "save"){ for (var i=0; i < rowcount; i++) { var param=eval("document.forms [0].parameterGrade"+i); if(param.value != "select"){ return true; } } alert("Please rate atleast one attribute"); return false; }//if ends here

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Is it safe to use javascript?

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What is the disadvantage of javascript?

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how to post the form without submit button with help of javascript

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Explain the term closure?

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What is local scope in javascript?

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