ian escasa Posted November 4, 2020 Share Posted November 4, 2020 Hi, I just want to seek help resolving my javascript, First, I already have a dynamic textboxes where i able to enable and disable with a checkbox. I need to have atleast 100 textfields wherein my javascript, I need to declare this variables below. which are already like ten(10) but i need a 100. My question is, how can I make this easy and short? <script type="text/javascript"> function letter_changed(letterCheckBox){ if(letterCheckBox.checked){ document.getElementById("requestChemicalName").disabled = false; document.getElementById("requestChemicalName2").disabled = false; document.getElementById("requestChemicalName3").disabled = false; document.getElementById("requestChemicalName4").disabled = false; document.getElementById("requestChemicalName5").disabled = false; document.getElementById("requestChemicalName6").disabled = false; document.getElementById("requestChemicalName7").disabled = false; document.getElementById("requestChemicalName8").disabled = false; document.getElementById("requestChemicalName9").disabled = false; document.getElementById("requestChemicalName10").disabled = false; } else { document.getElementById("requestChemicalName").disabled = true; document.getElementById("requestChemicalName2").disabled = true; document.getElementById("requestChemicalName3").disabled = true; document.getElementById("requestChemicalName4").disabled = true; document.getElementById("requestChemicalName5").disabled = true; document.getElementById("requestChemicalName6").disabled = true; document.getElementById("requestChemicalName7").disabled = true; document.getElementById("requestChemicalName8").disabled = true; document.getElementById("requestChemicalName9").disabled = true; document.getElementById("requestChemicalName10").disabled = true; } } </script> Thanks in advance! Link to comment Share on other sites More sharing options...
Funce Posted November 4, 2020 Share Posted November 4, 2020 You could use a For loop in combination with document.getElementsByClassName And add a class to all the elements you want disabled together. <h2>ClassName For Loop</h2> <label><input onchange="some_function(this);" type="checkbox" checked>Check</label> <input type="text" class="some-class"> <input type="text" class="some-class"> <input type="text" class="some-class"> <input type="text" class="some-class"> <input type="text" class="some-class"> <input type="text" class="some-class"> <input type="text" class="some-class"> <input type="text" class="some-class"> <input type="text" class="some-class"> <input type="text" class="some-class"> <script> function some_function(letterCheckBox) { var element_list = document.getElementsByClassName("some-class"); let element_length = element_list.length; let element_disable = !letterCheckBox.checked; for (let i = 0; i < element_length; i++) { element_list[i].disabled = element_disable; } } </script> </body> </html> Link to comment Share on other sites More sharing options...
dsonesuk Posted November 5, 2020 Share Posted November 5, 2020 IF these inputs are within a form you can use form .elements collection, then filter them with if condition of type="text". OR Since you already have unique identifier of input element to target as in type="text". document.querySelectorAll("[type='text']"); More specific: document.querySelectorAll(".parent_class [type='text']"); document.querySelectorAll("#parent_id [type='text']"); It really depends how they positioned relative to each other, separately or together under one parent container element. Link to comment Share on other sites More sharing options...
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