Dynamically set drop-down list defaults in JavaScript and JSP, respectively

A. JavaScript dynamically sets the default value of the <option> option in the Select tab:

For example, to complete the dynamic display of the drop-down list below, and when you page back and forth, the values in the drop-down list are automatically updated to the current page number:

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The JSP section code is as follows:

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To implement the JS code that dynamically sets the default value of the drop-down list:

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Second, use the EL expression to dynamically set the default value of the <option> option in the Select tab in the JSP page:

Now there is such a page (Figure 4), in order to achieve the click Change, in the popup page (Figure 5), but also to continue to show that the account type is "lent", the page JSP code is shown in Figure 6:

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Resources:

Http://blog.sina.com.cn/s/blog_9cbb6a210102uzu0.html

Https://www.cnblogs.com/sxdcgaq8080/p/6439496.html

Dynamically set drop-down list defaults in JavaScript and JSP, respectively