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koorosh13hm

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About koorosh13hm

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  1. koorosh13hm
    Awesome. Thank you very much.
  2. koorosh13hm
    Hi everyone, I have tried to assign an event to a member inside an object by using an anonymous function. In the code below the result would not be gained and I even see no errors in the console. Could you please help me fix this issue? Thank you very much in advance. <!DOCTYPE html><html><head lang="en"> <meta charset="UTF-8"> <title>2js</title> <style type="text/css"> div.box { background-color: hsl(0, 0%, 0%); margin-left: 2px; width: 2px; height: 2px; margin-top: 2px; display: block; border-radius: 0.5px; float: left; } div.wrapper { width: 1000px; height: 800px; margin: 0 auto; background-color: #000000; } </style></head><body><div class="wrapper"> </div><script type="text/javascript"> window.onload = function init(){ var wrappers = document.getElementsByClassName("wrapper")[0]; for (var i=0; i<=49999; i++){ var newDiv = document.createElement("div"); newDiv.id = "box" + i; newDiv.className = "box"; wrappers.appendChild(newDiv); } var boxs = document.getElementsByClassName("box"); console.log("boxs length is: " + boxs.length); //here is to check the type of boxs if (Array.isArray(boxs)){ console.log("boxs is of type Array."); }else{ console.log("boxs is of type: " + typeof boxs); //object is returned } for (var item in boxs){ if (boxs.hasOwnProperty(item)){ console.log(item + "->" + boxs[item]); //the result would be like: box49999->[object HTMLDivElement] } item.onmousemove = function (){ //Here is where I supposed would return the result item.style.backgroundColor = "green"; console.log("ever done?"); //it results nothing!! } };} //end of script tag</script></body></html>
  3. koorosh13hm
    WOW, awesome. Thanks to you my problem is solved. Thank you very much
  4. koorosh13hm
    In the chrome Inspect Element section yhe width and height of the div.box is shown as 0.
  5. koorosh13hm
    Actually I have tried this line of command too: var wrappers = document.getElementsByClassName("wrapper")[0]; and have removed document as told, But there is no trace of any new div shown!!!!!
  6. koorosh13hm
    Hi everyone, I have been trying to fix this issue by visiting the forums here and there and also tried to do exactly what I learned from them yet, I am unable to add a div to another one. The error message in the console is : Uncaught TypeError: Cannot read property 'appendChild' of undefined And the code that I have been using is as follows. Could you please help me with this issue? <!DOCTYPE html> <html> <head lang="en"> <meta charset="UTF-8"> <title>1js</title> <style type="text/css"> div.box { background-color: hsl(0, 0%, 0%); margin-left: 15px; width: 20px; height: 20px; } div.wrapper { width: 400px; height: 200px; background-color: green; margin: 0 auto; } </style> </head> <body> <div class="wrapper"> </div> <script type="text/javascript"> var wrappers = document.getElementsByClassName("wrapper"); var newDiv = document.createElement("div.box"); document.wrappers.appendChild(newDiv); } </script> </body> </html>
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