How to set button attributes in javascript

How to set button attributes in javascript: 1. Set the clickability or non-clickability of the button through disabled in js; 2. Set whether the button is clickable through attr; 3. Add the attribute "disabled="true" to the tag ".

The operating environment of this article: windows7 system, javascript version 1.8.5, Dell G3 computer.

How to set button attributes in javascript?

Set the clickability or non-clickability of the button in javascript

1. Set the clickability or non-clickability of the button in js. The default is clickable

( 1) The setting button is not clickable

document.getElementById("bt1").disabled=ture;

(2) The setting button is clickable

document.getElementById("bt1").disabled=false;

2. The setting button in jq is clickable or non-clickable. The default is clickable

(1) The setting button is not clickable

$("#bt1").attr("disabled",ture);

(1) The setting button is clickable

$("#bt1").attr("disabled",false);

3. The setting button in the label is not clickable

Add the attribute disabled=" in the label true".

For buttons whose input type is button, submit, or reset, as long as they have the disabled attribute, regardless of whether this attribute has a value or not, they are not clickable; on the contrary, they can be clicked without this attribute. .

For example

<input type="button" disabled> 不可点击
<input type="button" disabled="true"> 不可点击
<input type="button" disabled="disabled"> 不可点击

[Related recommendations: javascript advanced tutorial]

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