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September 27, 2017 JS (1. Two Select Content Interchange 2. The radio button agrees to click Next 3. Select All box)

Source: Internet
Author: User
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1. Two Select Content Interchange

<! DOCTYPE html>
<meta charset= "UTF-8" >
<title></title>
<style>
#s1, #s2 {
width:300px;
}
</style>
<body>
<select size= "7" id= "S1" >
<option value= "1" >1</option>
<option value= "2" >2</option>
<option value= "3" >3</option>
<option value= "4" >4</option>
<option value= "5" >5</option>
</select>
<input type= "button" Id= "B1" value= "left"/>
<input type= "button" id= "B2" value= "right"/>
<input type= "button" id = "B3" value= "Select All"/>
<select size= "7" id= "S2" >
<option value= "a" >a</option>
<option value= "B" >b</option>
<option value= "C" >c</option>
<option value= "D" >d</option>
<option value= "E" >e</option>
</select>
</body>
<!--Select Interchange--
<script>
var S1 = document.getElementById ("S1")
var s2 = document.getElementById ("s2")
var B1 = document.getElementById ("B1")
var b2 = document.getElementById ("B2")
var B3 = document.getElementById ("B3")
B1.onclick = function () {
s1.innerhtml + = "<option>" +s2.value+ "</option>"
S2.value = ""
}
B2.onclick = function () {
s2.innerhtml + = "<option>" +s1.value+ "</option>"
S1.value = ""
}
B3.onclick = function () {

}

</script>

2. radio button consent to click Next

<! DOCTYPE html>
<meta charset= "UTF-8" >
<title></title>
<body>
<input type= "Radio" id = "B1"/>
<input type= "button" id= "B2" value= "Next" disabled= "disabled"/>
</body>
<script>
radio button
var B1 = document.getElementById ("B1");
var b2 = document.getElementById ("B2");
B1.onclick = function () {
if (b1.checked) {
B2.removeattribute ("Disabled");
}else{
B2.setattribute ("Disabled", "disabled")
}
}
</script>

3. Select All Box

<! DOCTYPE html>

<meta charset= "UTF-8" >
<title></title>

<body>
Select all: <input type= "button" Id= "B1" value= "Select All"/> Not selected:
<input type= "button" id= "B2" value= "All not selected"/> Inverse selection:
<input type= "button" id= "B3" value= "Reverse selection"/>
<div id= "div" >
<input type= "checkbox"/>
<input type= "checkbox"/>
<input type= "checkbox"/>
<input type= "checkbox"/>
<input type= "checkbox"/>
</div>
</body>

<script>
Window.onload = function () {
var B1 = document.getElementById ("B1")
var b2 = document.getElementById ("B2")
var B3 = document.getElementById ("B3")
var div = document.getElementById ("div")
var INP = div.getelementsbytagname ("input")
B1.onclick = function () {
for (a = 0; a < inp.length; a++) {

Inp[a].checked = true;
}
}
B2.onclick = function () {
for (a = 0; a < inp.length; a++) {
inp[a].checked = false;
};
};
B3.onclick = function () {
for (a = 0; a < inp.length; a++) {
if (inp[a].checked = = True) {
inp[a].checked = false;
} else {
Inp[a].checked = true;
}
};
};
};
</script>

September 27, 2017 JS (1. Two Select Content Interchange 2. The radio button agrees to click Next 3. Select All box)

This article is an English version of an article which is originally in the Chinese language on aliyun.com and is provided for information purposes only. This website makes no representation or warranty of any kind, either expressed or implied, as to the accuracy, completeness ownership or reliability of the article or any translations thereof. If you have any concerns or complaints relating to the article, please send an email, providing a detailed description of the concern or complaint, to info-contact@alibabacloud.com. A staff member will contact you within 5 working days. Once verified, infringing content will be removed immediately.

Related Keywords:
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